AD 90-19-04

final rule

Airworthiness Directives; BRITISH AEROSPACE Model BAe 125-800A Series Airplanes

AD Number
90-19-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
90-NM-84-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Textron Aviation Inc. BAe.125 Series 800A Airworthiness Directives; BRITISH AEROSPACE Model BAe 125-800A Series Airplanes
aircraft Textron Aviation Inc. BAe.125 Series 800A (C-29A) Airworthiness Directives; BRITISH AEROSPACE Model BAe 125-800A Series Airplanes
aircraft Textron Aviation Inc. BAe.125 Series 800A (U-125) Airworthiness Directives; BRITISH AEROSPACE Model BAe 125-800A Series Airplanes

Unsafe Condition

Fatigue cracks in the windscreen center pillar and subsequent rapid decompression of the airplane.

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

Required Actions

Install reinforcing straps on the bottom aft portion of the upper and lower web sections of the windscreen center pillar assembly in accordance with British Aerospace Service Bulletin 53-65-3168A, Revision 1, dated March 9, 1989. An alternate means of compliance or adjustment of the compliance time may be used when approved by the FAA.

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

Compliance Time

Prior to the accumulation of 6,000 landings since new or within 30 days after the effective date of this AD, whichever occurs later, unless previously accomplished.

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

Affected Aircraft

Model BAe 125-800A series airplanes, Serial Numbers 258001 through 258090, inclusive, certificated in any category.

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

Federal Register Abstract

Windscreen Pillar Assembly

Applicability Source Text

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AD Final Rules - DRS_90-19-04.html
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AD Number:
90-19-04
Document Type:
AD Final Rules
Docket Number:
90-NM-84-AD
Subject Heading:
Airworthiness Directives; BRITISH AEROSPACE Model BAe 125-800A Series Airplanes
Subject:
Windscreen Pillar Assembly
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/16/1990
Make:
Textron Aviation Inc.
Model:
BAe.125 Series 800A | BAe.125 Series 800A (C-29A) | BAe.125 Series 800A (U-125)
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: 90-19-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   90-NM-84-AD

AMENDMENT:   39-6721

AD NUMBER:   90-19-04

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

ACTION:   Final rule

SUMMARY:  

DATES:   Effective October 16, 1990.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
90-19-04 BRITISH AEROSPACE: Amendment 39-6721. Docket No. 90-NM-84-AD.

Applicability: Model BAe 125-800A series airplanes, Serial Numbers 258001 through 258090, inclusive, certificated in any category.

Compliance: Required prior to the accumulation of 6,000 landings since new or within 30 days after the effective date of this AD, whichever occurs later, unless previously accomplished.

To prevent fatigue cracks in the windscreen center pillar and subsequent rapid decompression of the airplane, accomplish the following:

A. Install reinforcing straps on the bottom aft portion of the upper and lower web sections of the windscreen center pillar assembly in accordance with British Aerospace Service Bulletin 53-65-3168A, Revision 1, dated March 9, 1989.

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. 20041-0414. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue S.W., Renton, Washington.

This amendment (39-6721, AD 90-19-04) becomes effective October 16, 1990.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_90-19-04.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
90-19-04
Document Type:
AD Final Rules
Docket Number:
90-NM-84-AD
Subject Heading:
Airworthiness Directives; BRITISH AEROSPACE Model BAe 125-800A Series Airplanes
Subject:
Windscreen Pillar Assembly
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/16/1990
Make:
Textron Aviation Inc.
Model:
BAe.125 Series 800A | BAe.125 Series 800A (C-29A) | BAe.125 Series 800A (U-125)
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: 90-19-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   90-NM-84-AD

AMENDMENT:   39-6721

AD NUMBER:   90-19-04

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

ACTION:   Final rule

SUMMARY:  

DATES:   Effective October 16, 1990.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
90-19-04 BRITISH AEROSPACE: Amendment 39-6721. Docket No. 90-NM-84-AD.

Applicability: Model BAe 125-800A series airplanes, Serial Numbers 258001 through 258090, inclusive, certificated in any category.

Compliance: Required prior to the accumulation of 6,000 landings since new or within 30 days after the effective date of this AD, whichever occurs later, unless previously accomplished.

To prevent fatigue cracks in the windscreen center pillar and subsequent rapid decompression of the airplane, accomplish the following:

A. Install reinforcing straps on the bottom aft portion of the upper and lower web sections of the windscreen center pillar assembly in accordance with British Aerospace Service Bulletin 53-65-3168A, Revision 1, dated March 9, 1989.

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. 20041-0414. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue S.W., Renton, Washington.

This amendment (39-6721, AD 90-19-04) becomes effective October 16, 1990.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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