AD 92-01-06

final rule

Airworthiness Directives; BOEING Model 757 Series Airplanes

AD Number
92-01-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
91-NM-153-AD
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 The Boeing Company 757-200 Series Airworthiness Directives; BOEING Model 757 Series Airplanes
aircraft The Boeing Company 757-200CB Series Airworthiness Directives; BOEING Model 757 Series Airplanes
aircraft The Boeing Company 757-200PF Series Airworthiness Directives; BOEING Model 757 Series Airplanes
aircraft The Boeing Company 757-300 Series Airworthiness Directives; BOEING Model 757 Series Airplanes

Unsafe Condition

The fuel crossfeed valve and fuel shutoff valves may not close fully due to incorrect installation, which could result in fuel leakage or inability to isolate fuel tanks, leading to reduced fuel system reliability and potential flight hazards.

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

Required Actions

Inspect or functionally test the fuel crossfeed valve and fuel shutoff valves to ensure correct installation per Boeing Service Letter 757-SL-28-8-A. If incorrectly installed, remove and reinstall correctly before further flight. Submit a report within 30 days of the inspection/test. Alternative compliance may be approved by the FAA Manager, Seattle Aircraft Certification Office.

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

Compliance Time

within the next 3,000 hours time-in-service after the effective date of this AD, unless previously accomplished

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

Affected Aircraft

Boeing Model 757 series airplanes as listed in Boeing Service Letter 757-SL-28-8-A dated June 5, 1991, certificated in any category.

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

Federal Register Abstract

Fuel Crossfeed and Shutoff Valves

Applicability Source Text

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AD Number:
92-01-06
Document Type:
AD Final Rules
Docket Number:
91-NM-153-AD
Subject Heading:
Airworthiness Directives; BOEING Model 757 Series Airplanes
Subject:
Fuel Crossfeed and Shutoff Valves
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
02/17/1992
Make:
The Boeing Company
Model:
757-200 Series | 757-200CB Series | 757-200PF Series | 757-300 Series
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: 92-01-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   91-NM-153-AD

AMENDMENT:   39-8130

AD NUMBER:   92-01-06

SUBJECT HEADING:   Airworthiness Directives; BOEING Model 757 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective February 17, 1992.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
92-01-06 BOEING: Amendment 39-8130. Docket No. 91-NM-153-AD.

Applicability: Model 757 series airplanes, as listed in Boeing Service Letter 757-SL-28- 8-A, dated June 5, 1991, certificated in any category.

Compliance: Required within the next 3,000 hours time-in-service after the effective date of this AD, unless previously accomplished.

To assure that the fuel crossfeed valve and fuel shutoff valves close fully, accomplish the following:

(a) Perform a visual inspection or a functional test of the fuel crossfeed valve and fuel shutoff valves to determine if the valves are correctly installed, in accordance with Boeing Service Letter 757-SL-28-8-A, dated June 5, 1991. If an incorrectly installed valve is found, prior to further flight, remove and re-install it correctly, in accordance with the service letter.

(b) Within 30 days after accomplishing the inspection or functional test required by paragraph (a) of this AD, submit a report of the inspection or test findings from which it is determined that the fuel crossfeed valve or fuel shutoff valves were incorrectly installed, to: Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region, 1601 Lind Avenue SW., Renton, Washington 98055; rapid fax: (206) 227-1181; telex 756366. Information collection requirements contained in this regulation have been approved by the Office of Management and Budget (OMB) under the provision of the Paperwork Reduction Act of 1980 (P.L. 96-511) and have been assigned OMB Control Number 2120-0056.

(c) An alternative method of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Seattle Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Seattle ACO.

(d) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.

(e) The inspection/test requirements of this AD shall be done in accordance with Boeing Alert Service Letter 757-SL-28-8-A, dated June 5, 1991. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from Boeing Commercial Airplane Group, P.O. Box 3707, Seattle, Washington 98124. Copies may be inspected at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington, or at the Office of the Federal Register, 1100 L Street NW., Room 8401, Washington, D.C.

(f) This amendment (39-8130, AD 92-01-06) becomes effective on February 17, 1992.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_92-01-06.html
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Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
92-01-06
Document Type:
AD Final Rules
Docket Number:
91-NM-153-AD
Subject Heading:
Airworthiness Directives; BOEING Model 757 Series Airplanes
Subject:
Fuel Crossfeed and Shutoff Valves
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
02/17/1992
Make:
The Boeing Company
Model:
757-200 Series | 757-200CB Series | 757-200PF Series | 757-300 Series
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: 92-01-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   91-NM-153-AD

AMENDMENT:   39-8130

AD NUMBER:   92-01-06

SUBJECT HEADING:   Airworthiness Directives; BOEING Model 757 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective February 17, 1992.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
92-01-06 BOEING: Amendment 39-8130. Docket No. 91-NM-153-AD.

Applicability: Model 757 series airplanes, as listed in Boeing Service Letter 757-SL-28- 8-A, dated June 5, 1991, certificated in any category.

Compliance: Required within the next 3,000 hours time-in-service after the effective date of this AD, unless previously accomplished.

To assure that the fuel crossfeed valve and fuel shutoff valves close fully, accomplish the following:

(a) Perform a visual inspection or a functional test of the fuel crossfeed valve and fuel shutoff valves to determine if the valves are correctly installed, in accordance with Boeing Service Letter 757-SL-28-8-A, dated June 5, 1991. If an incorrectly installed valve is found, prior to further flight, remove and re-install it correctly, in accordance with the service letter.

(b) Within 30 days after accomplishing the inspection or functional test required by paragraph (a) of this AD, submit a report of the inspection or test findings from which it is determined that the fuel crossfeed valve or fuel shutoff valves were incorrectly installed, to: Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region, 1601 Lind Avenue SW., Renton, Washington 98055; rapid fax: (206) 227-1181; telex 756366. Information collection requirements contained in this regulation have been approved by the Office of Management and Budget (OMB) under the provision of the Paperwork Reduction Act of 1980 (P.L. 96-511) and have been assigned OMB Control Number 2120-0056.

(c) An alternative method of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Seattle Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Seattle ACO.

(d) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.

(e) The inspection/test requirements of this AD shall be done in accordance with Boeing Alert Service Letter 757-SL-28-8-A, dated June 5, 1991. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from Boeing Commercial Airplane Group, P.O. Box 3707, Seattle, Washington 98124. Copies may be inspected at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington, or at the Office of the Federal Register, 1100 L Street NW., Room 8401, Washington, D.C.

(f) This amendment (39-8130, AD 92-01-06) becomes effective on February 17, 1992.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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