AD 76-17-04

final rule

Airworthiness Directives; Armstrong Whitworth Models AW-650 Series 101 Airplanes

AD Number
76-17-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft landing gear and wheel assembly
Problem area Landing gear

Applicability

TypeManufacturerModelDetails
aircraft British Aerospace (Commercial Aircraft) Ltd Argosy AW.650 Series 101 Airworthiness Directives; Armstrong Whitworth Models AW-650 Series 101 Airplanes

Unsafe Condition

Cracks in the undercut at the bottom of the main undercarriage sliding cylinder could lead to failure of the main landing gear.

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

Required Actions

Inspect the undercut at the bottom of the main undercarriage sliding cylinder using magnetic particle fluid per Dowty Rotol Service Bulletin No. 32-49D. If a crack is detected, replace the sliding cylinder before further flight with a serviceable part of the same part number or an FAA-approved equivalent.

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

Compliance Time

within the next 100 hours time in service after the effective date of this AD, unless already accomplished

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

Affected Aircraft

Armstrong Whitworth Model AW-650 Series 101 airplanes certificated in all categories

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

Federal Register Abstract

Undercarriage Cylinder

Applicability Source Text

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AD Number:
76-17-04
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Armstrong Whitworth Models AW-650 Series 101 Airplanes
Subject:
Undercarriage Cylinder
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
09/09/1976
Make:
British Aerospace (Commercial Aircraft) Ltd
Model:
Argosy AW.650 Series 101
Product Type:
Aircraft
Product Subtype:
Large Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 76-17-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2701

AD NUMBER:   76-17-04

SUBJECT HEADING:   Airworthiness Directives; Armstrong Whitworth Models AW-650 Series 101 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective September 9, 1976.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
76-17-04 ARMSTRONG WHITWORTH: Amendment 39-2701. Applies to all Model AW-650 Series 101 airplanes certificated in all categories.

Compliance is required within the next 100 hours time in service after the effective date of this AD, unless already accomplished.

To detect cracks in the undercut at the bottom of the main undercarriage sliding cylinder and prevent possible failure of the main landing gear, accomplish the following:

(a) Inspect the undercut at the bottom of the main undercarriage sliding cylinder with magnetic particle fluid in accordance with Accomplishment Instructions 2A(1) through 2A(6) of Dowty Rotol Service Bulletin No. 32-49D, dated August 15, 1975, or an FAA-approved equivalent.

(b) If a crack in the sliding cylinder is detected during the inspection required by paragraph (a) of this AD, replace the main undercarriage sliding cylinder before further flight with a serviceable part of the same part number or an FAA-approved equivalent.

This amendment becomes effective on September 9, 1976.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_76-17-04.html
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Document Versions
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Details
AD Number:
76-17-04
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Armstrong Whitworth Models AW-650 Series 101 Airplanes
Subject:
Undercarriage Cylinder
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
09/09/1976
Make:
British Aerospace (Commercial Aircraft) Ltd
Model:
Argosy AW.650 Series 101
Product Type:
Aircraft
Product Subtype:
Large Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 76-17-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2701

AD NUMBER:   76-17-04

SUBJECT HEADING:   Airworthiness Directives; Armstrong Whitworth Models AW-650 Series 101 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective September 9, 1976.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
76-17-04 ARMSTRONG WHITWORTH: Amendment 39-2701. Applies to all Model AW-650 Series 101 airplanes certificated in all categories.

Compliance is required within the next 100 hours time in service after the effective date of this AD, unless already accomplished.

To detect cracks in the undercut at the bottom of the main undercarriage sliding cylinder and prevent possible failure of the main landing gear, accomplish the following:

(a) Inspect the undercut at the bottom of the main undercarriage sliding cylinder with magnetic particle fluid in accordance with Accomplishment Instructions 2A(1) through 2A(6) of Dowty Rotol Service Bulletin No. 32-49D, dated August 15, 1975, or an FAA-approved equivalent.

(b) If a crack in the sliding cylinder is detected during the inspection required by paragraph (a) of this AD, replace the main undercarriage sliding cylinder before further flight with a serviceable part of the same part number or an FAA-approved equivalent.

This amendment becomes effective on September 9, 1976.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.