AD 80-22-11

final rule

Airworthiness Directives; BELL Model 206 L-1 Helicopters

AD Number
80-22-11
Status
final_rule
Effective Date
Product Category
aircraft
Docket
80-ASW-44
FR Citation
This information is not available.
Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

Applicability

TypeManufacturerModelDetails
aircraft Bell Helicopter Textron Canada Limited 206L-1 Airworthiness Directives; BELL Model 206 L-1 Helicopters

Unsafe Condition

Fatigue failure of the main rotor grip, part number 206-011-132-009.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Replace main rotor grips with serial numbers listed in the AD. For grips with less than 1,150 hours' total time in service on the effective date, replace before accumulating 1,200 hours. For those with 1,150 or more hours, replace within 50 hours' time in service. Compliance can be achieved by following Bell Helicopter Textron Alert Service Bulletin 206L-80-15.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Prior to accumulating 1,200 hours' total time in service or within 50 hours' time in service, depending on the existing hours on the main rotor grip as of the effective date.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Bell Helicopter Textron Canada Limited Model 206L-1 helicopters with main rotor grips having the specified serial numbers listed in the AD.

AI-generated summary from the source AD text. Verify against the official source before acting.

Federal Register Abstract

Main Rotor Grip

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_80-22-11.html
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AD Number:
80-22-11
Document Type:
AD Final Rules
Docket Number:
80-ASW-44
Subject Heading:
Airworthiness Directives; BELL Model 206 L-1 Helicopters
Subject:
Main Rotor Grip
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/27/1980
Make:
Bell Helicopter Textron Canada Limited
Model:
206L-1
Product Type:
Aircraft
Product Subtype:
Rotorcraft
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 80-22-11
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   80-ASW-44

AMENDMENT:   39-3950

AD NUMBER:   80-22-11

SUBJECT HEADING:   Airworthiness Directives; BELL Model 206 L-1 Helicopters

ACTION:  

SUMMARY:  

DATES:   Effective October 27, 1980.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
80-22-11 BELL: Amendment 39-3950. Applies to Model 206 L-1 helicopters, certificated in all categories (Airworthiness Docket No. 80-ASW-44).

Compliance required as indicated.

To prevent possible fatigue failure of the main rotor grip, P/N 206-011-132-009, remove and replace as specified below, the main rotor grips having serial numbers: A1-00001, A1-00004 through A1-00007, A1-00009, A1-00010, A1-00014, A1-00016, A1-00017, A1-00019, A1-00021 through A1-00024, A1-00027 through A1-00029, A1-00031 through A1-00036, A1-00038 through A1-00040, A1-00042 through A1-00044, A1-00046 through A1-00050, A1-00053 through A1-00057, A1-00059, A1-00061, A1-00062, A1-00064, A1-00066 through A1-00068, A1-00071, A1-00073 through A1-00075, A1-00077, A1-00078, A1-00080, A1-00083 through A1-00093, A1-00095, A1-00096, A1-00098 through A1-00101, A1-00103 through A1-00106, A1-00111, A1-00113, A1-00115, A1-00116, A1-00118 through A1-00120, A1-00124, A1-00130 through A1-00136, A1-00192, A1-00222, A1-00248, A1- 00287, A1-00300, A1-00305, and A1-00308.

a. Replace those grips with less than 1,150 hours' total time in service on the effective date of this AD, prior to accumulating 1,200 hours' total time in service.

b. Replace those grips with 1,150 or more hours' total time in service on the effective date of this AD, within 50 hours' time in service.

c. Compliance with Bell Helicopter Textron Alert Service Bulletin 206L-80-15, dated July 29, 1980, fulfills compliance with this AD.

d. The retirement time of those main rotor grips specified above is reduced from 4,800 hours to 1,200 hours by this AD.

e. The helicopter may be flown in accordance with FAR 21.197 to a base where repairs can be performed.

This amendment becomes effective October 27, 1980.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_80-22-11.html
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Details
AD Number:
80-22-11
Document Type:
AD Final Rules
Docket Number:
80-ASW-44
Subject Heading:
Airworthiness Directives; BELL Model 206 L-1 Helicopters
Subject:
Main Rotor Grip
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/27/1980
Make:
Bell Helicopter Textron Canada Limited
Model:
206L-1
Product Type:
Aircraft
Product Subtype:
Rotorcraft
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 80-22-11
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   80-ASW-44

AMENDMENT:   39-3950

AD NUMBER:   80-22-11

SUBJECT HEADING:   Airworthiness Directives; BELL Model 206 L-1 Helicopters

ACTION:  

SUMMARY:  

DATES:   Effective October 27, 1980.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
80-22-11 BELL: Amendment 39-3950. Applies to Model 206 L-1 helicopters, certificated in all categories (Airworthiness Docket No. 80-ASW-44).

Compliance required as indicated.

To prevent possible fatigue failure of the main rotor grip, P/N 206-011-132-009, remove and replace as specified below, the main rotor grips having serial numbers: A1-00001, A1-00004 through A1-00007, A1-00009, A1-00010, A1-00014, A1-00016, A1-00017, A1-00019, A1-00021 through A1-00024, A1-00027 through A1-00029, A1-00031 through A1-00036, A1-00038 through A1-00040, A1-00042 through A1-00044, A1-00046 through A1-00050, A1-00053 through A1-00057, A1-00059, A1-00061, A1-00062, A1-00064, A1-00066 through A1-00068, A1-00071, A1-00073 through A1-00075, A1-00077, A1-00078, A1-00080, A1-00083 through A1-00093, A1-00095, A1-00096, A1-00098 through A1-00101, A1-00103 through A1-00106, A1-00111, A1-00113, A1-00115, A1-00116, A1-00118 through A1-00120, A1-00124, A1-00130 through A1-00136, A1-00192, A1-00222, A1-00248, A1- 00287, A1-00300, A1-00305, and A1-00308.

a. Replace those grips with less than 1,150 hours' total time in service on the effective date of this AD, prior to accumulating 1,200 hours' total time in service.

b. Replace those grips with 1,150 or more hours' total time in service on the effective date of this AD, within 50 hours' time in service.

c. Compliance with Bell Helicopter Textron Alert Service Bulletin 206L-80-15, dated July 29, 1980, fulfills compliance with this AD.

d. The retirement time of those main rotor grips specified above is reduced from 4,800 hours to 1,200 hours by this AD.

e. The helicopter may be flown in accordance with FAR 21.197 to a base where repairs can be performed.

This amendment becomes effective October 27, 1980.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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