AD 81-01-02 R1

final rule

Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B, and N24A Airplanes

AD Number
81-01-02 R1
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft fuel pump, filter, valve, and lines
Problem area Fuel system

Applicability

TypeManufacturerModelDetails
aircraft Nomad TC Pty Ltd N22B Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B, and N24A Airplanes
aircraft Nomad TC Pty Ltd N24A Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B, and N24A Airplanes

Unsafe Condition

Failure of the fuel tank selector valves or the fuel shut-off valves to operate due to incorrectly crimped, cracked, or loose cable sleeves on the fuel tank selector valve and fuel shut-off valve.

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

Required Actions

Inspect the cable sleeves on the fuel tank selector valve and fuel shut-off valve within 25 hours time in service after the effective date. Repair incorrectly crimped, cracked, or loose sleeves before further flight using Service Bulletin ANMD-28-11 or FAA-approved equivalent. Visually inspect repaired sleeves daily and replace them before accumulating 200 hours time in service from repair.

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

Compliance Time

Within the next 25 hours time in service after the effective date of this AD, unless already accomplished. Repairs must be done before further flight if issues are found. Daily inspections and replacements must occur prior to accumulating 200 hours time in service from repair.

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

Affected Aircraft

GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B (Serial Nos. N22B-5 and up) and N24A (Serial Nos. N24A and up) equipped with fuel selector cables U2000 LAS-2-( ) and U2000 LA-2-( ).

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

Federal Register Abstract

Fuel Valves

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_81-01-02_R.html
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AD Number:
81-01-02 R1
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B, and N24A Airplanes
Subject:
Fuel Valves
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
01/05/1981
Make:
Nomad TC Pty Ltd
Model:
N22B | N24A
Product Type:
Aircraft
Product Subtype:
Small 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: 81-01-02 R1
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3999

AD NUMBER:   81-01-02 R1

SUBJECT HEADING:   Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B, and N24A Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective January 5, 1981.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
81-01-02 R1 GOVERNMENT AIRCRAFT FACTORIES (GAF): Amendment 39-3999 as amended by Amendment 39-4147. Applies to Models N22B (Serial Nos. N22B-5 and up) and N24A (Serial Nos. N24A and up), certificated in all categories, which are equipped with fuel selector cables U2000 LAS-2-( ) and U2000 LA-2-( ); i.e., the U2000L series.

Compliance required as indicated.

To prevent failure of the fuel tank selector valves or the fuel shut-off valves to operate, accomplish the following:

(a) Within the next 25 hours time in service after the effective date of this AD, unless already accomplished, inspect the cable sleeves on the fuel tank selector valve and fuel shut-off valve. If they are incorrectly crimped, cracked, or loose, before further flight, repair No. ANMD- 28-11 (hereinafter referred to as the Service Bulletin) dated August 21, 1980, or an FAA-approved equivalent.

(b) Cable sleeves on the fuel tank selector cable which have been repaired in accordance with GAF Nomad Alert Service Bulletin No. ANMD-28-11, dated August 21, 1980, or an FAA-approved equivalent, must be visually inspected prior to the first flight of each day in accordance with paragraph 4 of the service bulletin, and replaced prior to the accumulation of 200 hours time in service from the time of repair.

(c) If an equivalent is used in complying with paragraph (a) of this AD, that equivalent must be approved by the Chief, Engineering and Manufacturing District Office, FAA, Pacific-Asia Region, Honolulu, Hawaii.

NOTE: All persons affected by this directive who have not already received the Service Bulletin from the manufacturer may obtain copies upon request to the Government Aircraft Factories, 226 Lorimer Street, Port Melbourne 3207 Vic., Australia. These documents may be examined at the FAA, Engineering and Manufacturing District Office, 300 Ala Moana Blvd., Room 7321, Honolulu, Hawaii 96850, or Rules Docket, Room 916, FAA, 800 Independence Ave., S.W., Washington, DC 20591.

Amendment 39-3999 became effective January 5, 1981.

This amendment 39-4147 becomes effective June 22, 1981, as to all persons except those persons to whom it was made immediately effective by telegraphic AD T81-01-02 R1, issued January 16, 1981, which contained this amendment.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_81-01-02_R.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
81-01-02 R1
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B, and N24A Airplanes
Subject:
Fuel Valves
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
01/05/1981
Make:
Nomad TC Pty Ltd
Model:
N22B | N24A
Product Type:
Aircraft
Product Subtype:
Small 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: 81-01-02 R1
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3999

AD NUMBER:   81-01-02 R1

SUBJECT HEADING:   Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B, and N24A Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective January 5, 1981.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
81-01-02 R1 GOVERNMENT AIRCRAFT FACTORIES (GAF): Amendment 39-3999 as amended by Amendment 39-4147. Applies to Models N22B (Serial Nos. N22B-5 and up) and N24A (Serial Nos. N24A and up), certificated in all categories, which are equipped with fuel selector cables U2000 LAS-2-( ) and U2000 LA-2-( ); i.e., the U2000L series.

Compliance required as indicated.

To prevent failure of the fuel tank selector valves or the fuel shut-off valves to operate, accomplish the following:

(a) Within the next 25 hours time in service after the effective date of this AD, unless already accomplished, inspect the cable sleeves on the fuel tank selector valve and fuel shut-off valve. If they are incorrectly crimped, cracked, or loose, before further flight, repair No. ANMD- 28-11 (hereinafter referred to as the Service Bulletin) dated August 21, 1980, or an FAA-approved equivalent.

(b) Cable sleeves on the fuel tank selector cable which have been repaired in accordance with GAF Nomad Alert Service Bulletin No. ANMD-28-11, dated August 21, 1980, or an FAA-approved equivalent, must be visually inspected prior to the first flight of each day in accordance with paragraph 4 of the service bulletin, and replaced prior to the accumulation of 200 hours time in service from the time of repair.

(c) If an equivalent is used in complying with paragraph (a) of this AD, that equivalent must be approved by the Chief, Engineering and Manufacturing District Office, FAA, Pacific-Asia Region, Honolulu, Hawaii.

NOTE: All persons affected by this directive who have not already received the Service Bulletin from the manufacturer may obtain copies upon request to the Government Aircraft Factories, 226 Lorimer Street, Port Melbourne 3207 Vic., Australia. These documents may be examined at the FAA, Engineering and Manufacturing District Office, 300 Ala Moana Blvd., Room 7321, Honolulu, Hawaii 96850, or Rules Docket, Room 916, FAA, 800 Independence Ave., S.W., Washington, DC 20591.

Amendment 39-3999 became effective January 5, 1981.

This amendment 39-4147 becomes effective June 22, 1981, as to all persons except those persons to whom it was made immediately effective by telegraphic AD T81-01-02 R1, issued January 16, 1981, which contained this amendment.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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