AD 91-23-10

final rule

Airworthiness Directives; BOEING Model 747-400 Series Airplanes

AD Number
91-23-10
Status
final_rule
Effective Date
Product Category
aircraft
Docket
91-NM-109-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 747-400 Series Airworthiness Directives; BOEING Model 747-400 Series Airplanes
aircraft The Boeing Company 747-400D Series Airworthiness Directives; BOEING Model 747-400 Series Airplanes

Unsafe Condition

Chafing and wear of the advanced cabin entertainment and service system (ACESS) wire bundles and seat to seat cables could result in smoke and fire in the passenger cabin.

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

Required Actions

Inspect ACESS wire bundle installations at the dado panel near each sidewall disconnect and seat to seat cables for chafing and wear. Repair or replace cables with teflon expandable sleeving if chafing is found; install sleeving even if no chafing is found. Modify the wire bundle installations per Boeing Alert Service Bulletin 747-23A2241, Revision 3.

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

Compliance Time

Within 12 months after the effective date of this AD

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

Affected Aircraft

Boeing Model 747-400 series airplanes listed in Boeing Alert Service Bulletin 747-23A2241, Revision 3, dated September 5, 1991.

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

Federal Register Abstract

Advanced Cabin Entertainment and Service System Wire Bundles

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_91-23-10.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
91-23-10
Document Type:
AD Final Rules
Docket Number:
91-NM-109-AD
Subject Heading:
Airworthiness Directives; BOEING Model 747-400 Series Airplanes
Subject:
Advanced Cabin Entertainment and Service System Wire Bundles
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
01/07/1992
Make:
The Boeing Company
Model:
747-400 Series | 747-400D 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:
Updated RGL applicability to match AD applicability; CAR C-11-185
AIRWORTHINESS DIRECTIVES FINAL RULES: 91-23-10
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   91-NM-109-AD

AMENDMENT:   39-8079

AD NUMBER:   91-23-10

SUBJECT HEADING:   Airworthiness Directives; BOEING Model 747-400 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective January 7, 1992.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
91-23-10 BOEING: Amendment 39-8079. Docket No. 91-NM-109-AD.

Applicability: Model 747-400 series airplanes, listed in Boeing Alert Service Bulletin 747-23A2241, Revision 3, dated September 5, 1991, certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent the occurrence of smoke and fire in the passenger cabin, accomplish the following:

(a) Within 12 months after the effective date of this AD, accomplish the following on the main and upper decks:

(1) Inspect the advanced cabin entertainment and service system (ACESS) wire bundle installation at the dado panel near each sidewall disconnect for chafing and wear in accordance with Boeing Alert Service Bulletin 747-23A2241, Revision 3, dated September 5, 1991.

(i) If chafing or wear is found, prior to further flight, repair or replace the ACESS cable and install teflon expandable sleeving in accordance with the service bulletin.

(ii) If no chafing or wear is found, install teflon expandable sleeving on the ACESS cable in accordance with the service bulletin.

(2) Inspect all advanced cabin entertainment and service system (ACESS) seat to seat cables for chafing and wear in accordance with Boeing Alert Service Bulletin 747- 23A2241, Revision 3, dated September 5, 1991.

(i) If chafing or wear is found, prior to further flight, repair or replace the ACESS cable, and ensure proper installation in accordance with the service bulletin.

(ii) If no chafing or wear is found, ensure proper cable installation in accordance with the service bulletin.

(3) Modify the ACESS wire bundle installation at the dado panel near each sidewall disconnect in accordance with Boeing Alert Service Bulletin 747-23A2241, Revision 3, dated September 5, 1991.

(b) 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.

(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.

(d) The inspections, repairs, and modifications shall be done in accordance with Boeing Alert Service Bulletin 747-23A2241, Revision 3, dated September 5, 1991, which contains the following list of effective pages:


Page Number	
Revision Level
	
Date

1, 4-7, 10, 14-16, 24-26
	
3
	
September 5, 1991

2, 3, 8-9, 11-13, 17-23	
2
	
November 1, 1990


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 S.W., Renton, Washington, or at the Office of the Federal Register, 1100 L Street N.W., Room 8401, Washington, D.C.

This amendment (39-8079, AD 91-23-10) becomes effective on January 7, 1992.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_91-23-10.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
91-23-10
Document Type:
AD Final Rules
Docket Number:
91-NM-109-AD
Subject Heading:
Airworthiness Directives; BOEING Model 747-400 Series Airplanes
Subject:
Advanced Cabin Entertainment and Service System Wire Bundles
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
01/07/1992
Make:
The Boeing Company
Model:
747-400 Series | 747-400D 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:
Updated RGL applicability to match AD applicability; CAR C-11-185
AIRWORTHINESS DIRECTIVES FINAL RULES: 91-23-10
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   91-NM-109-AD

AMENDMENT:   39-8079

AD NUMBER:   91-23-10

SUBJECT HEADING:   Airworthiness Directives; BOEING Model 747-400 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective January 7, 1992.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
91-23-10 BOEING: Amendment 39-8079. Docket No. 91-NM-109-AD.

Applicability: Model 747-400 series airplanes, listed in Boeing Alert Service Bulletin 747-23A2241, Revision 3, dated September 5, 1991, certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent the occurrence of smoke and fire in the passenger cabin, accomplish the following:

(a) Within 12 months after the effective date of this AD, accomplish the following on the main and upper decks:

(1) Inspect the advanced cabin entertainment and service system (ACESS) wire bundle installation at the dado panel near each sidewall disconnect for chafing and wear in accordance with Boeing Alert Service Bulletin 747-23A2241, Revision 3, dated September 5, 1991.

(i) If chafing or wear is found, prior to further flight, repair or replace the ACESS cable and install teflon expandable sleeving in accordance with the service bulletin.

(ii) If no chafing or wear is found, install teflon expandable sleeving on the ACESS cable in accordance with the service bulletin.

(2) Inspect all advanced cabin entertainment and service system (ACESS) seat to seat cables for chafing and wear in accordance with Boeing Alert Service Bulletin 747- 23A2241, Revision 3, dated September 5, 1991.

(i) If chafing or wear is found, prior to further flight, repair or replace the ACESS cable, and ensure proper installation in accordance with the service bulletin.

(ii) If no chafing or wear is found, ensure proper cable installation in accordance with the service bulletin.

(3) Modify the ACESS wire bundle installation at the dado panel near each sidewall disconnect in accordance with Boeing Alert Service Bulletin 747-23A2241, Revision 3, dated September 5, 1991.

(b) 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.

(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.

(d) The inspections, repairs, and modifications shall be done in accordance with Boeing Alert Service Bulletin 747-23A2241, Revision 3, dated September 5, 1991, which contains the following list of effective pages:


Page Number	
Revision Level
	
Date

1, 4-7, 10, 14-16, 24-26
	
3
	
September 5, 1991

2, 3, 8-9, 11-13, 17-23	
2
	
November 1, 1990


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 S.W., Renton, Washington, or at the Office of the Federal Register, 1100 L Street N.W., Room 8401, Washington, D.C.

This amendment (39-8079, AD 91-23-10) becomes effective on January 7, 1992.

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.