AD 85-09-04

final rule

Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 206L, 206L-1, and 206L-3 Helicopters

AD Number
85-09-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
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 Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 206L, 206L-1, and 206L-3 Helicopters
aircraft Bell Helicopter Textron Canada Limited 206L-1 Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 206L, 206L-1, and 206L-3 Helicopters
aircraft Bell Helicopter Textron Canada Limited 206L-3 Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 206L, 206L-1, and 206L-3 Helicopters

Unsafe Condition

Failure of main rotor blades due to possible loss caused by inboard trim tabs, Part Number 206-015-516-101.

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

Required Actions

Remove all main rotor inboard trim tabs P/N 206-015-516-101 per BHTI Alert SB 206L-85-35 Part II, paragraph A. Perform inspection and repair procedures per SB Part II paragraphs B & C. Equivalent methods require approval from FAA's Helicopter Certification Branch.

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

Compliance Time

within the next 50 hours time in service after the effective date of this AD

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

Affected Aircraft

Bell Helicopter Textron Inc. Model 206L, 206L-1, and 206L-3 helicopters with main rotor blades P/N 206-015-001-001 or 206-015-001-103 and inboard trim tabs P/N 206-015-516-101.

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

Federal Register Abstract

Main Rotor Blades

Applicability Source Text

Show captured applicability text from the source AD
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AD Number:
85-09-04
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 206L, 206L-1, and 206L-3 Helicopters
Subject:
Main Rotor Blades
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
05/20/1985
Make:
Bell Helicopter Textron Canada Limited
Model:
206L | 206L-1 | 206L-3
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: 85-09-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5055

AD NUMBER:   85-09-04

SUBJECT HEADING:   Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 206L, 206L-1, and 206L-3 Helicopters

ACTION:  

SUMMARY:  

DATES:   Effective May 20, 1985.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
85-09-04 BELL HELICOPTER TEXTRON, INC.: Amendment 39-5055. Applies to Model 206L, 206L-1, and 206L-3 helicopters that have main rotor blades, Part Number (P/N) 206-015-001-001 or 206-015-001-103, with inboard trim tabs, P/N 206-015-516-101, installed.

Compliance is required within the next 50 hours time in service after the effective date of this AD, unless already accomplished.

To prevent possible loss of the main rotor blade, accomplish the following:

(a) Remove all main rotor inboard trim tabs, P/N 206-015-516-101, in accordance with Part II, paragraph A of BHTI Alert Service Bulletin 206L-85-35, dated February 26, 1985.

(b) Accomplish the inspection and repair procedures as necessary in accordance with Part II, paragraphs B & C of BHTI Alert Service Bulletin 206L-85-35, dated February 26, 1985.

(c) Any equivalent method of compliance with this AD must be approved by the Manager, Helicopter Certification Branch, Southwest Region, Federal Aviation Administration, P.0. Box 1689, Fort Worth, Texas 76101.

(d) In accordance with FAR Sections 21.197 and 21.199, flight is permitted to a base where the inspection and repair procedures required by this AD may be accomplished.

The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to Bell Helicopter Textron, Inc., P.O. Box 482, Fort Worth, Texas 76101.

This amendment becomes effective May 20, 1985.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_85-09-04.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
85-09-04
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 206L, 206L-1, and 206L-3 Helicopters
Subject:
Main Rotor Blades
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
05/20/1985
Make:
Bell Helicopter Textron Canada Limited
Model:
206L | 206L-1 | 206L-3
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: 85-09-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5055

AD NUMBER:   85-09-04

SUBJECT HEADING:   Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 206L, 206L-1, and 206L-3 Helicopters

ACTION:  

SUMMARY:  

DATES:   Effective May 20, 1985.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
85-09-04 BELL HELICOPTER TEXTRON, INC.: Amendment 39-5055. Applies to Model 206L, 206L-1, and 206L-3 helicopters that have main rotor blades, Part Number (P/N) 206-015-001-001 or 206-015-001-103, with inboard trim tabs, P/N 206-015-516-101, installed.

Compliance is required within the next 50 hours time in service after the effective date of this AD, unless already accomplished.

To prevent possible loss of the main rotor blade, accomplish the following:

(a) Remove all main rotor inboard trim tabs, P/N 206-015-516-101, in accordance with Part II, paragraph A of BHTI Alert Service Bulletin 206L-85-35, dated February 26, 1985.

(b) Accomplish the inspection and repair procedures as necessary in accordance with Part II, paragraphs B & C of BHTI Alert Service Bulletin 206L-85-35, dated February 26, 1985.

(c) Any equivalent method of compliance with this AD must be approved by the Manager, Helicopter Certification Branch, Southwest Region, Federal Aviation Administration, P.0. Box 1689, Fort Worth, Texas 76101.

(d) In accordance with FAR Sections 21.197 and 21.199, flight is permitted to a base where the inspection and repair procedures required by this AD may be accomplished.

The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to Bell Helicopter Textron, Inc., P.O. Box 482, Fort Worth, Texas 76101.

This amendment becomes effective May 20, 1985.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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