Textron Bell 206L3 Maintenance Manual
BHT-206L3-MM-1
32672)),&(%2;)257:257+7(;$6
COPYRIGHT NOTICE
COPYRIGHT
201
BELL
®
HELICOPTER TEXTRON INC.
AND BELL HELICOPTER TEXTRON
CANADA LTD.
ALL RIGHTS RESERVED
MAINTENANCE MANUAL
GENERAL INFORMATION
The instructions set forth in this manual, as supplemented or modified by Alert Service Bulletins (ASB) or
other directions issued by Bell Helicopter Textron Inc. and Airworthiness Directives (AD) issued by the
applicable regulatory agencies, shall be strictly followed.
Maintenance Manual also applicable to 206L3+ helicopters (Increased Gross Weight kit 206-706-530
installed per BHT-206-SI-2052).
Export Classification C, ECCN EAR99
VOLUME 1
NOTICE
REISSUE — 27 AUGUST 1992
REVISION 24 — 25 JUNE 2019
BHT-206L3-MM-1
PROPRIETARY RIGHTS NOTICE
These data are proprietary to Bell Helicopter Textron Inc. Disclosure,
reproduction, or use of these data for any purpose other than helicopter
operation or maintenance is forbidden without prior written authorization from
Bell Helicopter Textron Inc.
DESTINATION CONTROL STATEMENT
WARNING — This document contains technical data whose export is restricted
by the Arms Export Control Act (Title 22, U.S.C., Sec 2751, et. seq.) or the Export
Administration Act of 1979, as amended, Title 50, U.S.C., App. 2401 et. seq.
Violations of these export laws are subject to severe criminal penalties.
Disseminate in accordance with provisions of DoD Directive 5230.25.
Additional copies of this publication may be obtained by contacting:
PN Rev. 24 25 JUN 2019
Commercial Publication Distribution Center
Bell Helicopter Textron Inc.
P. O . B o x 4 8 2
Fort Worth, Texas 76101-0482
Export Classification C, ECCN EAR99
WARNING
THIS MANUAL APPLIES ONLY TO HELICOPTERS AND COMPONENTS
MAINTAINED IN ACCORDANCE WITH BELL HELICOPTER TEXTRON
(BELL) APPROVED PROCEDURES USING BELL APPROVED PARTS.
ALL INSPECTION, REPAIR AND OVERHAUL PROCEDURES PUBLISHED
BY BELL, INCLUDING PART RETIREMENT LIFE, ARE BASED SOLELY ON
THE USE OF BELL PARTS THAT HAVE BEEN MAINTAINED USING BELL
APPROVED DATA. THE DATA PUBLISHED HEREIN OR OTHERWISE
SUPPLIED BY BELL IS NOT APPLICABLE TO NON-BELL PARTS OR
PARTS THAT HAVE BEEN REPAIRED USING DATA AND/OR PROCESSES
NOT APPROVED BY BELL.
BELL IS NOT RESPONSIBLE FOR ANY PART OTHER THAN THOSE THAT
IT HAS APPROVED.
BEFORE PERFORMING ANY PROCEDURE CONTAINED IN THIS MANUAL
YOU MUST INSPECT THE AFFECTED PARTS AND RECORDS FOR
EVIDENCE OF ANY MANUFACTURE, REPAIR, REWORK OR USE OF A
PROCESS NOT APPROVED BY BELL.
IF YOU IDENTIFY OR SUSPECT THE USE OF PARTS NOT AUTHORIZED
BY BELL, EITHER REMOVE THE AFFECTED ITEM FROM THE AIRCRAFT
OR OBTAIN INSTRUCTIONS FOR CONTINUED AIRWORTHINESS FROM
THE MANUFACTURER OR THE ORGANIZATION THAT APPROVED THE
REPAIR.
BHT-206L3-MM-1
Export Classification C, ECCN EAR99
25 JUN 2019 Rev. 24 Warning
BHT-206L3-MM-1
Flying smart means that no matter where you are, or what time it is, you can make a call
and get additional information, clarification, or advice on a technical or operational issue
concerning your helicopter or information contained in our Technical Publications.
Product Support Engineering (PSE) is just a phone call away and may be contacted as
follows:
CUSTOMER SUPPORT AND SERVICES
Model 206, 407, or 505
Phone: 450-437-2862 or 800-363-8023 (U.S./Canada)
Fax: 450-433-0272
E-mail: productsupport@bellflight.com
Model 222, 230, 427, 429, or 430
Phone: 450-437-2077 or 800-463-3036 (U.S./Canada)
Fax: 450-433-0272
E-mail: productsupport@bellflight.com
Model 204, 205, 212, or 412
Phone: 450-437-6201 or 800-363-8028 (U.S./Canada)
Fax: 450-433-0272
E-mail: productsupport@bellflight.com
Model 210, HUEY II, and All Bell’s Active and
Military Medium Helicopter Models
Phone: 817-280-3548
Fax: 817-280-2635
E-mail: mts-medium@bellflight.com
Model OH-58, TH-67, TH-57, Both Active and
Military
Phone: 817-280-3548
Fax: 817-280-2635
E-mail: mts-light@bellflighth.com
Surplus
Surplus
For additional information on Customer Support and Services as well as Product Support
Engineering (PSE) and your local Customer Service Engineering (CSE) network, please
access http://www.bellflight.com/support-and-service/support.
CSS Rev. 24 25 JUN 2019
Export Classification C, ECCN EAR99
BHT-206L3-MM-1
LOG OF REVISIONS
Insert latest revision pages and dispose of superseded ones.
On a revised page, the text and/or illustration affected by the latest revision is shown by a vertical line. A revised
page with only a vertical line next to the page number indicates that text has shifted or that non-technical
correction(s) were made on that page.
Original ........ 0 ........... 01 AUG 82
Revision....... 1 ........... 01 MAR 83
Revision....... 2............30 APR 83
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Revision....... 4 ........... 07 MAR 85
Revision....... 5............15 APR 87
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Reissue........ 0........... 27 AUG 92
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Revision....... 2............23 APR 01
Revision....... 3 ............15 MAY 02
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Helicopter Sales Notice............24
Warranty...................................24
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Export Classification C, ECCN EAR99
25 JUN 2019 Rev. 24 A
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B Rev. 24 25 JUN 2019 Export Classification C, ECCN EAR99
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Export Classification C, ECCN EAR99
25 JUN 2019 Rev. 24 C
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D Rev. 24 25 JUN 2019 Export Classification C, ECCN EAR99
H
ELP
E
VALUATE
L
OGISTICS
P
UBLICATIONS
Have you found something wrong with this manual — an
error, an inconsistency, unclear instructions, etc.? Although
we strive for accuracy and clarity, we may make errors on
occasion. If we do and you discover it, we would appreciate
your telling us about it so that we can change whatever is
incorrect or unclear. Please be as specific as possible.
Your complaint or suggestion will be acknowledged and we
will tell you what we intend to do.
You may use the enclosed Customer Feedback form, as
applicable, to inform us where we have erred.
Your assistance is sincerely appreciated.
Export Classification C, ECCN EAR99
CUSTOMER FEEDBACK
RETURN VIA FAX TO PRODUCT SUPPORT ENGINEERING (450) 433-0272
Manual Title: ___________________________________________________________
Manual Number (if assigned): _____________________________________________
Date of Issue: ___________________________________________________________
Date of Last Revision: ___________________________________________________
Section, Chapter, Paragraph Affected: ______________________________________
Your Feedback: ________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
Now Reads: ____________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
Should Read: ___________________________________________________________
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_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
Your Name: _____________________________________________________________
Address: _______________________________________________________________
Export Classification C, ECCN EAR99
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Export Classification C, ECCN EAR99
IMPORTANT
HELICOPTER SALES NOTICE
Please complete this form and return by mail, e-mail (publications@bHOOIOLJKW.com), or fax
(817-280-6466, Attention: CPDC). This will ensure that the new owners/operators receive
updates to their BellHelicopter Textron Technical Manuals and Bulletins.
Model of Helicopter Sold or Purchased ___________________________________________
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Name of New Owner (company or individual) ______________________________________
Name of New Operator _______________________________________________________
Future Publications to be mailed to this address:
Address ____________________________________________________________________
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Export Classification C, ECCN EAR99
Export Classification C, ECCN EAR99
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Export Classification C, ECCN EAR99
BHT-206L3-MM-1
SPARE PARTS WARRANTY
ONE YEAR/1,000 HOURS PRORATED
WARRANTY AND REMEDY: Seller warrants each new helicopter part or helicopter part reconditioned by seller to be free from defect
in material and workmanship under normal use and service and if installed on Bell model helicopters. Seller’s sole obligation under this
warranty is limited to replacement or repair of parts which are determined to Seller’s reasonable satisfaction to have been defective
with 1,000 hours of operation or one (1) year after installation, whichever occurs first and reimbursement of reasonable freight charges.
After 200 hours of use, there will be a prorated charge to the Purchaser for replacement parts (prorating the hours of total use against
the then applicable part life or 2,000 hours, whichever is the lesser). Defective parts must be reported in writing to the Seller’s Warranty
Administration within 90 days of being found defective. Replacement of parts may be with either new or reconditioned parts, at Seller’s
election. Warranty adjustment is contingent upon the Purchaser complying with the Warranty Remedies as described in the
Commercial Warranty Information brochure and the Seller’s Warranty Administration disposition instructions for defective parts. Failure
to comply with all of the terms of this paragraph may, at Seller’s sole option, void this warranty.
NOTE: Parts, components and assemblies of all new helicopters may have been restored or reworked due to mars, blemishes, dents
or other irregularities during the manufacturing process. Such restoration and/or rework is permitted under Seller’s approved
manufacturing and engineering processes and guidelines. The restoration and/or rework so completed does not render such items
defective in material or workmanship.
THIS WARRANTY IS GIVEN AND ACCEPTED IN PLACE OF (i) ALL OTHER WARRANTIES OR CONDITIONS, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANT ABILITY AND
FITNESS FOR A PARTICULAR PURPOSE AND (ii) ANY OBLIGATION, LIABILITY, RIGHT, CLAIM OR REMEDY IN CONTRACTOR
IN TORT (DELICT), INCLUDING PRODUCT LIABILITIES BASED UPON STRICT LIABILITY, NEGLIGENCE, OR IMPLIED
WARRANTY IN LAW.
This warranty is the only warranty made by Seller. The Purchaser’s sole remedy for a breach of this warranty or any defect in a part is
the repair or replacement of helicopter parts and reimbursement of reasonable freight charges as provided herein. Seller excludes
liability, whether as a result of a breach of contract or warranty, negligence or strict product liability, for incidental or consequential
damages, including without limitation, damage to the helicopter or other property, costs and expenses resulting from required changes
or modifications to helicopter components and assemblies, changes in retirement lives and overhaul periods, local customs fees and
taxes, and costs or expenses for commercial losses or lost profits due to loss of use or grounding of helicopters or otherwise.
Seller makes no warranty and disclaims all liability in contract or in tort (delict), including, without limitation, negligence and strict tort
(delictual) liability, with respect to work performed by third parties at Purchaser’s request and with respect to engines, engine
accessories, batteries, radios, and avionics, except Seller assigns each manufacturer’s warranty to Purchaser to the extent such
manufacturer’s warranty exists and is assignable.
This warranty shall not apply to any helicopter part which has been repaired or altered outside Seller ’s factory in any way so as, in
Seller’s judgment, to affect its stability, safety or reliability, or which has been subject to misuse, negligence or accident, or which has
been installed in any aircraft which has been destroyed unless that helicopter has been rebuilt by Bell. A list of destroyed aircraft is
obtainable from Bell Product Support. Repairs and alterations which use or incorporate parts and components other than genuine Bell
parts or parts approved by Bell for direct acquisition from sources other than Bell itself are not warranted by Bell, and this warranty shall
be void to the extent that such repairs and alterations, in Seller’s sole judgment, affect the stability, safety or reliability of the helicopter
or any part thereof, or damage genuine Bell or Bell-approved parts. No person, corporation or organization, including Bell Customer
Service Facilities, is authorized by Seller to assume for it any other liability in connection with the sale of its helicopters and parts.
NO STATEMENT, WHETHER WRITTEN OR ORAL, MADE BY ANY PERSON, CORPORATION OR ORGANIZATION, INCLUDING
BELL CUSTOMER SERVICE FACILITIES MAY BE TAKEN AS A WARRANTY NOR WILL IT BIND SELLER.
Seller makes no warranty and disclaims all liability with respect to components or parts damaged by, or worn due to, corrosion. Seller
makes no warranty and disclaims all liability for consumables (wear items) which are defined as items required for normal and routine
maintenance or replaced at scheduled intervals shorter than the warranty period. “Consumables” include but are not limited to engine
and hydraulic oil, oil filters, packings and o-rings, anti-corrosion and/or sealing compounds, brush plating material, nuts, bolts, washers,
screws, fluids, compounds, and standard aircraft hardware that is readily available to aircraft operators from sources other than Seller.
All legal actions based upon claims or disputes pertaining to or involving this warranty including, but not limited to, Seller’s denial of any
claim or portion thereof under this warranty, must be filed in the courts of general jurisdiction of Tarrant County, Texas or in the United
States District Court for the Northern District of Texas, Ft. Worth Division located in Ft. Worth, Tarrant County, Texas. In the event that
Purchaser files such an action in either of the court systems identified above, and a final judgment in Seller’s favor is rendered by such
court, then Purchaser shall indemnify Seller for all costs, expenses and attorneys’ fees incurred by Seller in defense of such claims. In
the event Purchaser files such a legal action in a court other than those specified, and Seller successfully obtains dismissal of that
action or transfer thereof to the above described court systems, then Purchaser shall indemnify Seller for all costs, expenses and
attorneys’ fees incurred by Seller in obtaining such dismissal or transfer.
January 2007
Export Classification C, ECCN EAR99
25 JUN 2019 Rev. 24 Warranty
TC APPROVED BHT-206L3-MM-1
TABLE OF CONTENTS
Paragraph Chapter/Section Page
Number Title Number Number
FIGURES
Figure Page
Number Title Number
TABLES
Table Page
Number Title Number
The Airworthiness Limitations Schedule is approved by the Minister and specifies the maintenance required by
any applicable airworthiness or operational rules unless an alternative program has been approved by the
Minister.
CHAPTER 4 — AIRWORTHINESS LIMITATIONS SCHEDULE
AIRWORTHINESS LIMITATIONS SCHEDULE
4-1 Airworthiness Limitations Schedule ............................................... 4-00-00 5
4-1 Tailboom Upper Left Attachment Fitting (206-032-409-001)
— Recurring 110-Hour Inspection ...................................................................... 13
4-1 Airworthiness Limitations Schedule .................................................................... 6
4-2 Inspection Limitations Schedule ......................................................................... 12
Chief Engineering
Aircraft Certification
Transport Canada
Export Classification C, ECCN EAR99
25 JUN 2019 Rev. 24 Page 1
4-00-00
BHT-206L3-MM-1 TC APPROVED
REVISION NO. DATE OF SIGNATURE APPROVAL SIGNATURE
Original N/A N/A
Reissue N/A N/A
Reissue 27 August 1992
1N/A N/A
2N/A N/A
3N/A N/A
4 09 December 2002
5 22 December 2003
6N/A
7 30 October 2007
N/A
4-00-00
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Export Classification C, ECCN EAR99
TC APPROVED BHT-206L3-MM-1
REVISION NO. DATE OF SIGNATURE APPROVAL SIGNATURE
8 20 August 2008
9 26 May 2009
10 N/A N/A
11 25 September 2009
12 N/A
13 N/A
14 N/A
15 N/A
16 N/A N/A
N/A
N/A
N/A
N/A
17 8 April 2011
Export Classification C, ECCN EAR99
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BHT-206L3-MM-1 TC APPROVED
REVISION NO. DATE OF SIGNATURE APPROVAL SIGNATURE
18 29 February 2012
19 1 June 2012
20 7 November 2012
21 N/A
22 N/A
23 N/A
24 25 JUNE 2019
N/A
N/A
N/A
4-00-00
Page 4 Rev. 24 25 JUN 2019
Export Classification C, ECCN EAR99
TC APPROVED BHT-206L3-MM-1
AIRWORTHINESS LIMITATIONS SCHEDULE
4-1. AIRWORTHINESS LIMITATIONS
SCHEDULE
WARNING
ALL REPAIR AND OVERHAUL
PROCEDURE LIVES PUBLISHED BY
BELL HELICOPTER TEXTRON,
INCLUDING COMPONENT RETIREMENT
LIFE, ARE BASED SOLELY ON THE USE
OF BELL APPROVED PARTS AND
PROCESSES. IF PARTS OR
PROCESSES DEVELOPED OR
APPROVED BY PARTIES OTHER THAN
BELL HELICOPTER ARE USED, THEN
THE DATA PUBLISHED OR OTHERWISE
SUPPLIED BY BELL HELICOPTER ARE
NOT APPLICABLE. THE USER IS
WARNED TO NOT RELY ON BELL
HELICOPTER DATA FOR PARTS AND
PROCESSES NOT APPROVED BY BELL
HELICOPTER. ALL APPLICABLE
INSPECTIONS AND REPAIR METHODS
MUST BE OBTAINED FROM THE
SUPPLIER OF THE PARTS OR
PROCESSES NOT APPROVED BY BELL
HELICOPTER. BELL HELICOPTER IS
NOT RESPONSIBLE FOR PARTS OR
PROCESSES OTHER THAN THOSE
WHICH IT HAS ITSELF DEVELOPED OR
APPROVED.
WARNING
CONTINUED USE OF ANY TIME/
CALENDAR/RIN LIFE LIMITED
COMPONENT PAST ITS STATED LIMITS
IS NOT PERMITTED AS IT COULD
SERIOUSLY AFFECT THE
AIRWORTHINESS OF THE HELICOPTER.
THE COMPONENT MUST BE REMOVED
FROM THE HELICOPTER NOT LATER
THAN THE END OF THE LIFE LIMIT. IT
MUST EITHER BE MADE
UNSERVICEABLE OR MARKED IN A
CONSPICUOUS MANNER TO PREVENT
CONTINUED USE, EVEN INADVERTENT
USE.
WHEN A REPLACEMENT PART IS
INSTALLED, THE PART NAME, PART
NUMBER, SERIAL NUMBER, AND
CURRENT OPERATING HOURS, IF
APPLICABLE, MUST BE RECORDED IN
THE HISTORICAL SERVICE RECORD
FOR THE ASSEMBLY OR HELICOPTER.
NOTE
The requirements stated in Chapter 5 are to
be complied with and the appropriate
maintenance actions are to be performed.
NOTE
The airworthiness life or inspection interval
for any part number contained in this
schedule applies to all the successive dash
numbers for that component unless it is
otherwise specified.
The mandatory Airworthiness Limitations Schedule
(Tab le 4- 1) summarizes the mandatory maximum life,
in hours, years or by Retirement Index Number (RIN)
of components with a limited airworthiness life. Parts
that are not on the schedule have an unlimited
airworthiness life. The Inspection Limitations Schedule
(Tab le 4- 2) summarizes the mandatory inspection
interval in hours.
Refer to the engine manufacturer’s publications for the
airworthiness limitations of the power plant
components.
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BHT-206L3-MM-1 TC APPROVED
CAUTION
1
21
22
8
11
12
11
17
APPLICABLE SERVICE INSTRUCTION
WARNING
(SI) OR MAINTENANCE MANUAL
SUPPLEMENT (MMS) FOR KIT
COMPONENT SCHEDULES.
SOME PARTS ARE INSTALLED AS
ORIGINAL EQUIPMENT ON BOTH
MILITARY AND COMMERCIAL
HELICOPTERS AND MAY HAVE A
LOWER AIRWORTHINESS LIFE AND/OR
OVERHAUL SCHEDULE WHEN USED
ON A MILITARY HELICOPTER. IN
ADDITION, CIRCUMSTANCES
SURROUNDING THEIR USE MAY CALL
FOR OPERATION OF THE MILITARY
The retirement life given, or the failure to
give a retirement life to a component, does
not constitute a warranty of any kind. The
only warranty applicable to the helicopter or
any component is the warranty included in
the Purchase Agreement for the helicopter
or the component.
NOTE
HELICOPTER OUTSIDE OF THE
APPROVED COMMERCIAL FLIGHT
ENVELOPE. CONSEQUENTLY, PARTS
THAT HAVE BEEN USED ON MILITARY
HELICOPTERS SHOULD NOT BE USED
ON COMMERCIAL HELICOPTERS.
The airworthiness lives given to the components and
assemblies are determined by experience, tests, and
the judgment of Bell Helicopter engineers. The lives
cannot be changed without the approval of the
Minister of Transport Canada.
Prior to disposing of unsalvageable helicopter parts
and materials, caution should be exercised to ensure
that the parts and material are disposed of in a manner
that does not allow them to be returned for service.
AIRWORTHINESS LIFE OF SOME KIT
COMPONENTS IS NOT COVERED IN
THIS SCHEDULE. REFER TO
Refer to FAA Advisory Circular 21-38 for guidance on
the disposal of unsalvageable aircraft parts and
materials.
Table 4-1. Airworthiness Limitations Schedule
COMPONENT
PART NUMBER
AIRWORTHINESS LIFE
MAIN ROTOR HUB AND BLADES
Main Rotor Trunnion 206-011-120-103/-105 24,000 RIN
Strap Retention Pin 206-011-125-001 1200 hours
Main Rotor Grip 206-011-132-009/-113 4800 hours
Tension Torsion Strap 206-011-147-007 1200 hours/24 months
Strap Retention Fitting 206-011-150-101/-105 2400 hours
Tension Torsion Strap 206-011-154-103/-107 1200 hours/24 months
Latch Bolt 206-011-260-101 1200 hours
4-00-00
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13
31
38
31
39
24
37
25
37
26
9
21
23
14
10
Table 4-1. Airworthiness Limitations Schedule (Cont)
COMPONENT
PART NUMBER
AIRWORTHINESS LIFE
MAIN ROTOR HUB AND BLADES (CONT)
Main Rotor Blade 206-015-001-001/-103/-105/
4000 hours
-107/-109/-111/-113/-115/-117/
-119/-121
Main Rotor Blade 206-015-001-125/-127/-129/-131 2300 hours
Tension Torsion Strap 206-310-004-103 1200 hours/48 months
SWASHPLATE AND SUPPORT
Lower Cyclic Tube 206-001-193-001 4800 hours
Collective Idler Link 206-010-407-001 4800 hours
Swashplate Support Assembly 206-010-445-105 4800 hours
Swashplate Support Assembly 206-010-445-113 14,400 hours
Collective Idler Link 206-010-446-105 1200 hours
Collective Idler Link 206-010-446-107 14,400 hours
Collective Lever 206-010-447-105 1200 hours
Collective Lever 206-010-447-109 14,400 hours
Swashplate Support Assembly 206-010-452-109 4800 hours
Swashplate Support Assembly 206-010-452-113 Unlimited
Collective Sleeve Assembly 206-010-454-107/-109/-113 14,400 hours
Collective Lever 206-010-467-001/-105 4800 hours
POWER TRAIN
Tail Rotor Gearbox Duplex
206-040-410-003/-005/-101 3000 hours
Bearing
Main Rotor Mast 206-040-535-101/-105/-109 5000 hours/44,000 RIN
Sun Gear 206-040-662-101
Freewheel Assembly Clutch CL41742-1 3000 hours
Freewheel Assembly Clutch CL42250-1 3000 hours
TAIL ROTOR HUB AND BLADES
Tail Rotor Yoke 206-011-819-101/-105/-109 5000 hours
4-00-00
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15321516303236
19
19
18
18
27
28
29
34
33
35
1
2
3
4
Table 4-1. Airworthiness Limitations Schedule (Cont)
COMPONENT
PART NUMBER
AIRWORTHINESS LIFE
TAIL ROTOR HUB AND BLADES (CONT)
Tail Rotor Blade 206-016-201-001/-107/-113 2400 hours
Tail Rotor Blade 206-016-201-127/-131/-135 2500 hours
AIRFRAME
Horizontal Stabilizer 206-023-119-167
MISCELLANEOUS KITS
Fixed Floats Landing Gear Aft
206-050-169-011/-013
Crosstube
Fixed Floats Landing Gear
206-050-169-031
Forward Crosstube
High Landing Gear Crosstube 206-053-109-ALL
Standard Landing Gear
206-053-119-ALL
Crosstube
Fixed Floats Landing Gear Aft
206-053-211-103
Crosstube
Emergency Floats Reservoir 1269556-3/-4 15 years
Emergency Floats Reservoir 1271226 15 years
Emergency Floats Squib 29022968
Emergency Floats Squib 94455
Hoist Cable Cutter Assembly Y-1265-11-1
POWER PLANT
Turboshaft Engine 250-C30P Refer to Rolls Royce 250-C30P Operation
and Maintenance Manual, 14W2
NOTES:
Airworthiness limitation for part number listed applies to all successive dash numbers for that component
unless otherwise specified.
Reserved.
Reserved.
Reserved.
4-00-00
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8
9
10
11
12
13
14
15
16
17
18
19
20
Table 4-1. Airworthiness Limitations Schedule (Cont)
NOTES (CONT):
Reserved.
Reserved.
Reserved.
Selected serial numbers of main rotor grip 206-011-132-009 will have been removed from service upon
reaching 1200 hours in service. Refer to ASB 206L-80-15, dated 29 July 1980 for list of serial numbers
affected.
Selected serial numbers of main rotor mast 206-040-535-105 will have been returned to Bell Helicopter
Textron (BHT) for metallurgical evaluation no later than 31 May 1987. Affected masts inspected at BHT
and found to be acceptable have the suffix “U” added to the serial number. Refer to ASB 206L-87-44,
dated 23 April 1987 for list of serial numbers affected.
Selected serial numbers of tail rotor yoke 206-011-819-101 will have been returned to Bell Helicopter
Textron (BHT) for inspection and rework no later than 1 April 1988. Refer to ASB 206L-88-51, dated
23 April 1987 for list of serial numbers affected.
Main rotor hub tension torsion straps 206-011-147 and 206-011-154 have airworthiness lives of
1200 hours or 24 months, whichever occurs first. The calendar life of 24 months starts when new straps
are installed in a main rotor hub and blade assembly, and are subjected to rotation on the helicopter.
Refer to ASB 206L-80-12, dated 2 June 1980.
Selected serial numbers of main rotor hub tension torsion strap 206-011-147-007 must be removed from
service. Refer to ASB 206L-89-60, dated 29 August 1989 for list of serial numbers affected.
Selected serial numbers of main rotor blades 206-015-001-001/-103/-105 must be removed from service.
Refer to ASB 206L-89-64 Rev. A, dated 29 November 1989 for list of serial numbers affected.
Selected serial numbers of sun gear 206-040-662-101 must be removed from service. Refer to
ASB 206L-90-69 Rev. A, dated 15 January 1991 for list of serial numbers affected.
Selected serial numbers of tail rotor blades 206-016-201-113/-127 must be removed from service. Refer
to ASB 206L-90-70, dated 27 June 1990 for list of serial numbers affected.
Selected serial numbers of tail rotor blade 206-016-201-127 will have been returned to Bell Helicopter
Textron (BHT) for evaluation no later than 30 September 1990. Affected blades inspected at BHT and
found to be acceptable have the suffix “M” added to the serial number. Refer to ASB 206L-90-71 Rev. A,
dated 31 October 1990 for list of serial numbers affected.
Selected serial numbers of main rotor latch bolt 206-011-260-101 must be removed from service. Refer to
ASB 206L-92-86, dated 3 December 1992 for list of serial numbers affected.
Landing gear crosstubes 206-053-109-ALL and 206-053-119-ALL (all dash numbers) will have been
removed from service no later than 30 September 1994. Refer to ASB 206L-94-93, dated 11 April 1994.
Landing gear crosstubes 206-050-169-011/-031 will have been removed from service no later than
31 January 1995. Refer to ASB 206L-94-97, dated 17 August 1994.
Reserved.
4-00-00
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22
23
24
25
26
27
28
29
30
31
Table 4-1. Airworthiness Limitations Schedule (Cont)
NOTES (CONT):
Each component with a retirement life sensitive to torque events will be assigned a maximum Retirement
Index Number (RIN). This RIN corresponds to maximum allowed fatigue damage resulting from lifts and
takeoffs. A torque event is defined as a takeoff (one takeoff plus subsequent landing = one RIN) or a lift
(internal or external). For example, if an operator performs six takeoffs and 10 slingloads, this would total
16 torque events; (6 takeoffs = 6 events, 10 slingloads = 10 events, 6 + 10 = 16 torque events total).
Pilots are to record total number of torque events for each flight. This allows maintenance personnel to
convert torque events to RIN by applying the appropriate RIN adjustment factor. Refer to ASB 206L-94-99
Rev. B, dated 10 August 2001. A new component will begin with an accumulated RIN of zero, that will be
increased as lifts and takeoffs are performed. Operator will record number of lifts and takeoffs (torque
events), and increase accumulated RIN accordingly. When maximum RIN is reached or retirement flight
hours, whichever occurs first, component will be removed from service.
The retirement life of trunnion 206-011-120-103/-105 is based solely on RIN. Retire trunnion when
RIN = 24,000. For each takeoff/lift, add one RIN if the trunnion is installed on 206L, 206L1, or 206L3
(includes 206L3 with Increased Power Operation kit installed per BHT-206-SI-2039) and two RIN if the
trunnion is installed on a 206L4 (also applicable to 206L3+ helicopters (Increased Gross Weight Upgrade
Kit 206-706-530 installed per BHT-206-SI-2052)). Refer to ASB 206L-94-99 Rev. B, dated
10 August 2001.
Retire main rotor mast 206-040-535-001/-005/-101/-105/-109 when RIN = 44,000. For each takeoff/lift,
add one RIN if the mast is installed on 206L, 206L1, or 206L3 (includes 206L3 with Increased Power
Operation kit installed per BHT-206-SI-2039) and two RIN if the mast is installed on a 206L4 (also
applicable to 206L3+ helicopters (Increased Gross Weight Upgrade Kit 206-706-530 installed per
BHT-206-SI-2052)). Refer to ASB 206L-94-99 Rev. B, dated 10 August 2001.
Collective idler link 206-010-446-105, serial numbers A-1 through A-27, inclusively, and serial numbers
RE-238 through and including RE-270 will be retired from service at 1200 hours service time. Refer to
ASB 206L-98-110, dated 6 May 1998.
Collective lever 206-010-447-105, serial numbers A-1 through A-22, inclusively, will be retired from
service at 1200 hours service time. Refer to ASB 206L-98-110, dated 6 May 1998.
Swashplate support assemblies 206-010-452-109 must be inspected every 50 hours after the swashplate
support has accumulated 1500 hours in service. Refer to ASB 206L-93-89 Rev. B, dated 4 April 1994.
Landing gear aft crosstube 206-053-211-103 has an airworthiness life of 33,000 landings. Refer to
ASB 206L-94-97, dated 17 August 1994.
Reservoir per DOT-3HT specification and Exemption Letter DOT-E-7218. Life starts from date of
manufacture.
Reservoir per DOT-3HT specification and Exemption Letter DOT-E-8162. This reservoir is a detail part of
reservoir assembly 206-073-848-121. Life starts from date of manufacture.
Tail rotor blade 206-016-201-127 and subsequent, retirement life increased to 2500 hours. Refer to
TB 206L-89-147, dated 2 June 1989.
Main rotor blades 206-015-001-ALL (all dash numbers). It is permissible to use any main rotor blade (mix
and match) on 206L, 206L1, 206L3, and 206L4 provided that all conditions are met. Refer to
TB 206L-87-142, dated 1 October 1987, and IL 206L-00-68 Rev. A or subsequent.
4-00-00
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33
34
35
36
37
38
39
Table 4-1. Airworthiness Limitations Schedule (Cont)
NOTES (CONT):
Tail rotor blades 206-016-201-ALL (all dash numbers). It is permissible to use any tail rotor blade on 206L,
206L1, 206L3, and 206L4 provided that all conditions are met. Refer to TB 206L-94-167 Rev. A, dated
1 May 1995.
Part of squib assembly 30908. Retire squib no later than 15 years after date of manufacturing. Dispose of
time expired squib in accordance with local regulations.
Part of squib assembly 29022971 and approved alternate for squib 30908. Retire squib no later than
15 years after date of manufacturing. Dispose of time expired squib in accordance with local regulations.
Storage life of cutter assembly Y-1265-11-1, in original sealed container, is set at 60 months. Service life
is 36 months from the time the cutter assembly is removed from the original sealed container. The
36-month service life must be contained within the 60-month storage life. Dispose of time expired squib in
accordance with local regulations.
Example 1 – Cutter assembly stored for 24 months: 60 - 24 = 36-month service life.
Example 2 – Cutter assembly stored for 48 months: 60 - 48 = 12-month service life.
Example 3 – Cutter assembly stored for 1 month: 60 - 1 = 59 months, reduced to 36 months maximum
service life.
Affected horizontal stabilizer 206-023-119-167 must be removed from service no later than
30 September 2008. Refer to ASB 206L-06-141 for list of horizontal stabilizer serial numbers affected.
Applicable horizontal stabilizers must be inspected every 600 hours or annually until replaced. Refer to
ASB 206L-06-141 for inspection details.
Applicable to 206L3+ helicopters (Increased Gross Weight Upgrade Kit 206-706-530 installed per
BHT-206-SI-2052).
The airworthiness life of 4000 hours is only applicable to main rotor blades not affected by
ASB 206L-09-159 Rev. A, dated 13 November 2009, or subsequent. Refer to TCCA AD CF-2011-44 R1,
dated 1 February 2012, or subsequent for life applicable to blades affected by ASB 206L-09-159.
Main rotor hub tension torsion straps 206-310-004 have an airworthiness life of 1200 hours or 48 months,
whichever occurs first. The calendar life of 48 months starts when new straps are installed in a main rotor
hub and blade assembly, and are subjected to rotation on the helicopter.
4-00-00
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25 JUN 2019 Rev. 24 Page 11
BHT-206L3-MM-1 TC APPROVED
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2
1
2
Table 4-2. Inspection Limitations Schedule
COMPONENT
Tailboom Upper Left Attachment
Fitting
NOTES:
Inspection limitation for the part number listed applies to all successive dash numbers for that
component unless otherwise specified.
You must do an inspection of the tailboom upper left attachment fitting 206-032-409-001 every
110 flight hours. Refer to ASB 206L-09-158 for a listing of affected tailbooms. Refer to Figure 4-1 for
inspection details.
PART NUMBER
206-032-409-001 110 hours
INSPECTION INTERVAL
(HOURS OPERATION TIME)
4-00-00
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206LS_MM_04_0001+_c01
INSPECTION PROCEDURE:
1. Inspect upper left attachment fitting for cracks, mechanical damage, corrosion damage,
loose rivets, and general condition.
2. Refer to ASB 206L-09-158 for wear, damage, and repair limits.
3. Repair fitting in accordance with ASB 206L-09-158.
4. Replace cracked or damaged fitting or loose rivets in accordance with ASB 206L-09-158.
5. If a crack is found, contact Product Support Engineering .
(DETAILS OMITTED FOR CLARITY)
Figure 4-1. Tailboom Upper Left Attachment Fitting (206-032-409-001)
— Recurring 110-Hour Inspection
ECCN EAR99
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