AD 90-17-11

final rule

Airworthiness Directives; BRITISH AEROSPACE Model HS.125-700A and BAe 125-800A Series Airplanes

AD Number
90-17-11
Status
final_rule
Effective Date
Product Category
aircraft
Docket
90-NM-78-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 Textron Aviation Inc. BAe.125 Series 800A Airworthiness Directives; BRITISH AEROSPACE Model HS.125-700A and BAe 125-800A Series Airplanes
aircraft Textron Aviation Inc. HS.125 Series 700A Airworthiness Directives; BRITISH AEROSPACE Model HS.125-700A and BAe 125-800A Series Airplanes

Unsafe Condition

Failure to install circuit breaker identification labels in panel DA-A could result in incorrect circuit breaker selection during fire or smoke events in the cockpit, leading to improper isolation of electrical/electronic equipment sources.

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

Required Actions

Install circuit breaker identification labels in panel DA-A per British Aerospace Service Bulletin 24-263-9486A, Revision 1. Alternate compliance or time adjustment may be approved by the Manager, Standardization Branch, ANM-113.

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

Compliance Time

within 30 days after the effective date of this AD

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

Affected Aircraft

British Aerospace Model HS.125-700A and BAe 125-800A series airplanes listed in British Aerospace Service Bulletin 24-263-9486A, Revision 1

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

Federal Register Abstract

Circuit Breaker Identification Labels

Applicability Source Text

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AD Final Rules - DRS_90-17-11.html
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AD Number:
90-17-11
Document Type:
AD Final Rules
Docket Number:
90-NM-78-AD
Subject Heading:
Airworthiness Directives; BRITISH AEROSPACE Model HS.125-700A and BAe 125-800A Series Airplanes
Subject:
Circuit Breaker Identification Labels
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
09/17/1990
Make:
Textron Aviation Inc.
Model:
BAe.125 Series 800A | HS.125 Series 700A
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: 90-17-11
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   90-NM-78-AD

AMENDMENT:   39-6699

AD NUMBER:   90-17-11

SUBJECT HEADING:   Airworthiness Directives; BRITISH AEROSPACE Model HS.125-700A and BAe 125-800A Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective September 17, 1990.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
90-17-11 BRITISH AEROSPACE: Amendment 39-6699. Docket No. 90-NM-78-AD.

Applicability: Model HS. 125-700A and BAe 125-800A series airplanes, as listed in British Aerospace Service Bulletin 24-263-9486A, Revision 1, dated January 27, 1988, certificated in any category.

Compliance: Required within 30 days after the effective date of this AD, unless previously accomplished.

To ensure crewmembers will pull the correct circuit breakers to electrical/electronic equipment that may be the source of fire or smoke in the cockpit, accomplish the following.

A. Install circuit breaker identification labels in panel DA-A, in accordance with British Aerospace Service Bulletin 24-263-9486A, Revision 1, dated January 27, 1988.

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, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate.

NOTE: The request should be submitted directly to the Manager, Standardization Branch, ANM- 113, and a copy sent to the cognizant FAA Principal Inspector (PI). The PI will then forward comments or concurrence to the Manager, Standardization Branch, ANM-113.

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 British Aerospace PLC, Librarian for Service Bulletins, P.O. Box 17414, Dulles International Airport, Washington, D.C. 20041. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue, S.W., Renton, Washington.

This amendment (39-6699, AD 90-17-11) becomes effective on September 17, 1990.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_90-17-11.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
90-17-11
Document Type:
AD Final Rules
Docket Number:
90-NM-78-AD
Subject Heading:
Airworthiness Directives; BRITISH AEROSPACE Model HS.125-700A and BAe 125-800A Series Airplanes
Subject:
Circuit Breaker Identification Labels
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
09/17/1990
Make:
Textron Aviation Inc.
Model:
BAe.125 Series 800A | HS.125 Series 700A
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: 90-17-11
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   90-NM-78-AD

AMENDMENT:   39-6699

AD NUMBER:   90-17-11

SUBJECT HEADING:   Airworthiness Directives; BRITISH AEROSPACE Model HS.125-700A and BAe 125-800A Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective September 17, 1990.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
90-17-11 BRITISH AEROSPACE: Amendment 39-6699. Docket No. 90-NM-78-AD.

Applicability: Model HS. 125-700A and BAe 125-800A series airplanes, as listed in British Aerospace Service Bulletin 24-263-9486A, Revision 1, dated January 27, 1988, certificated in any category.

Compliance: Required within 30 days after the effective date of this AD, unless previously accomplished.

To ensure crewmembers will pull the correct circuit breakers to electrical/electronic equipment that may be the source of fire or smoke in the cockpit, accomplish the following.

A. Install circuit breaker identification labels in panel DA-A, in accordance with British Aerospace Service Bulletin 24-263-9486A, Revision 1, dated January 27, 1988.

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, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate.

NOTE: The request should be submitted directly to the Manager, Standardization Branch, ANM- 113, and a copy sent to the cognizant FAA Principal Inspector (PI). The PI will then forward comments or concurrence to the Manager, Standardization Branch, ANM-113.

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 British Aerospace PLC, Librarian for Service Bulletins, P.O. Box 17414, Dulles International Airport, Washington, D.C. 20041. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue, S.W., Renton, Washington.

This amendment (39-6699, AD 90-17-11) becomes effective on September 17, 1990.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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