AD 90-08-13

final rule

Airworthiness Directives; BOEING Model 767 Series Airplanes

AD Number
90-08-13
Status
final_rule
Effective Date
Product Category
aircraft
Docket
89-NM-169-AD
FR Citation
This information is not available.
Technical illustration of an aircraft electrical generator and wiring assembly
Problem area Electrical system

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 767-200 Series Airworthiness Directives; BOEING Model 767 Series Airplanes
aircraft The Boeing Company 767-300 Series Airworthiness Directives; BOEING Model 767 Series Airplanes
aircraft The Boeing Company 767-300F Series Airworthiness Directives; BOEING Model 767 Series Airplanes

Unsafe Condition

Inadvertent damage to aft equipment/lavatory/galley ventilation fan wire bundles and potential for a fire behind the aft cargo compartment wall.

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

Required Actions

Reroute the aft equipment/lavatory/galley ventilation fan wire bundles along the frame assembly at station 1540 per Boeing Alert Service Bulletin 767-21A0074 or Revision 1. Alternate compliance may be approved by the 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 12 months 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 767 series airplanes listed in Boeing Alert Service Bulletin 767-21A0074 dated July 13, 1989

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

Federal Register Abstract

Ventilation Fan Wire Bundles

Applicability Source Text

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AD Final Rules - DRS_90-08-13.html
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AD Number:
90-08-13
Document Type:
AD Final Rules
Docket Number:
89-NM-169-AD
Subject Heading:
Airworthiness Directives; BOEING Model 767 Series Airplanes
Subject:
Ventilation Fan Wire Bundles
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
05/14/1990
Make:
The Boeing Company
Model:
767-200 Series | 767-300 Series | 767-300F 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Superseded AD: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Superseded By: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: 90-08-13
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   89-NM-169-AD

AMENDMENT:   39-6571

AD NUMBER:   90-08-13

SUBJECT HEADING:   Airworthiness Directives; BOEING Model 767 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective May 14, 1990.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
90-08-13 BOEING: Amendment 39-6571. Docket No. 89-NM-169-AD.

Applicability: Model 767 series airplanes as listed in Boeing Alert Service Bulletin 767- 21A0074, dated July 13, 1989, certificated in any category.

Compliance: Required within the next 12 months after the effective date of this AD, unless previously accomplished.

To prevent inadvertent damage to aft equipment/lavatory/galley ventilation fan wire bundles and the potential for a fire behind the aft cargo compartment wall, accomplish the following:

A. Reroute the aft equipment/lavatory/galley ventilation fan wire bundles along the frame assembly at station 1540 in accordance with Boeing Alert Service Bulletin 767-21A0074, dated July 13, 1989, or Revision 1, dated January 25, 1990.

B. An alternate means 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, FAA, Northwest Mountain Region.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who will either concur or comment and then send it to the Manager, Seattle Aircraft Certification Office.

C. 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.

All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to Boeing Commercial Airplanes, P.O. Box 3707, Seattle, Washington 98124. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 17900 Pacific Highway South, Seattle, Washington, or Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington.

This amendment (39-6571, AD 90-08-13) becomes effective on May 14, 1990.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_90-08-13.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
90-08-13
Document Type:
AD Final Rules
Docket Number:
89-NM-169-AD
Subject Heading:
Airworthiness Directives; BOEING Model 767 Series Airplanes
Subject:
Ventilation Fan Wire Bundles
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
05/14/1990
Make:
The Boeing Company
Model:
767-200 Series | 767-300 Series | 767-300F 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: 90-08-13
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   89-NM-169-AD

AMENDMENT:   39-6571

AD NUMBER:   90-08-13

SUBJECT HEADING:   Airworthiness Directives; BOEING Model 767 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective May 14, 1990.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
90-08-13 BOEING: Amendment 39-6571. Docket No. 89-NM-169-AD.

Applicability: Model 767 series airplanes as listed in Boeing Alert Service Bulletin 767- 21A0074, dated July 13, 1989, certificated in any category.

Compliance: Required within the next 12 months after the effective date of this AD, unless previously accomplished.

To prevent inadvertent damage to aft equipment/lavatory/galley ventilation fan wire bundles and the potential for a fire behind the aft cargo compartment wall, accomplish the following:

A. Reroute the aft equipment/lavatory/galley ventilation fan wire bundles along the frame assembly at station 1540 in accordance with Boeing Alert Service Bulletin 767-21A0074, dated July 13, 1989, or Revision 1, dated January 25, 1990.

B. An alternate means 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, FAA, Northwest Mountain Region.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who will either concur or comment and then send it to the Manager, Seattle Aircraft Certification Office.

C. 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.

All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to Boeing Commercial Airplanes, P.O. Box 3707, Seattle, Washington 98124. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 17900 Pacific Highway South, Seattle, Washington, or Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington.

This amendment (39-6571, AD 90-08-13) becomes effective on May 14, 1990.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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