AD 91-14-16

final rule

Airworthiness Directives; British Aerospace Viscount Model 744 and 745D Series Airplanes and Model 810 Series Airplanes

AD Number
91-14-16
Status
final_rule
Effective Date
Product Category
aircraft
Docket
91-NM-20-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Vickers-Armstrongs (Aircraft Limited) Viscount 744 Airworthiness Directives; British Aerospace Viscount Model 744 and 745D Series Airplanes and Model 810 Series Airplanes
aircraft Vickers-Armstrongs (Aircraft Limited) Viscount 745D Airworthiness Directives; British Aerospace Viscount Model 744 and 745D Series Airplanes and Model 810 Series Airplanes
aircraft Vickers-Armstrongs (Aircraft Limited) Viscount 810 Airworthiness Directives; British Aerospace Viscount Model 744 and 745D Series Airplanes and Model 810 Series Airplanes

Unsafe Condition

Reduced structural integrity of the wings due to an incorrectly manufactured shear pin, Part No. 80203-3009, in the upper break-joint.

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

Required Actions

Inspect the upper break-joint for an incorrectly manufactured shear pin within 200 hours time-in-service or 90 days after the AD's effective date, whichever comes first. If damaged components or unserviceable short pins are found, replace them with serviceable parts prior to further flight, following specified PTLs.

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

Compliance Time

Within 200 hours time-in-service or within 90 days after the effective date of this AD, whichever occurs first

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

Affected Aircraft

Viscount Model 744 and 745D series airplanes (Post Modification D2267, Part B), and Model 810 series airplanes (Post Modification FG611, Part B), certificated in any category.

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

Federal Register Abstract

Wing Break-Joint

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_91-14-16.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
91-14-16
Document Type:
AD Final Rules
Docket Number:
91-NM-20-AD
Subject Heading:
Airworthiness Directives; British Aerospace Viscount Model 744 and 745D Series Airplanes and Model 8...Show more
Subject:
Wing Break-Joint
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
08/09/1991
Make:
Vickers-Armstrongs (Aircraft Limited)
Model:
Viscount 744 | Viscount 745D | Viscount 810
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: 91-14-16
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   91-NM-20-AD

AMENDMENT:   39-7057

AD NUMBER:   91-14-16

SUBJECT HEADING:   Airworthiness Directives; British Aerospace Viscount Model 744 and 745D Series Airplanes and Model 810 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective on August 9, 1991.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
91-14-16 BRITISH AEROSPACE: Amendment 39-7057. Docket No. 91-NM-20-AD.
Applicability: Viscount Model 744 and 745D series airplanes (Post Modification D2267, Part B), and Model 810 series airplanes (Post Modification FG611, Part B), certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent reduced structural integrity of the wings, accomplish the following:

A. Within 200 hours time-in-service or within 90 days after the effective date of this AD, whichever occurs first, inspect the upper break-joint for an incorrectly manufactured shear pin, Part No. 80203-3009, in accordance with British Aerospace Viscount Preliminary Technical Leaflet (PTL) No. 322, Issue 1 (for the Model 700 series airplanes), and PTL No. 191, Issue 1 (for the Model 810 series airplanes), both dated November 2, 1989. If damaged components or unserviceable short pins are found, prior to further flight, replace with serviceable parts in accordance with the appropriate PTL.

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, Standardization Branch, ANM-113, 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, 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.

D. The inspection and replacement requirements shall be done in accordance with British Aerospace Viscount Preliminary Technical Leaflet (PTL) No. 322, Issue 1 (for Model 700 series airplanes), or PTL No. 191, Issue 1 (for Model 810 series airplanes), both dated November 2, 1989. 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 British Aerospace, PLC, Librarian for Service Bulletins, P.O. Box 17414, Dulles International Airport, Washington, D.C. 20041-0414. Copies may be inspected at the FAA, Transport Airplane Directorate, Renton, Washington; or at the Office of the Federal Register, 1100 L Street N.W., Room 8401, Washington, D.C.

This amendment (39-7057, AD 91-14-16) becomes effective on August 9, 1991.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_91-14-16.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
91-14-16
Document Type:
AD Final Rules
Docket Number:
91-NM-20-AD
Subject Heading:
Airworthiness Directives; British Aerospace Viscount Model 744 and 745D Series Airplanes and Model 8...Show more
Subject:
Wing Break-Joint
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
08/09/1991
Make:
Vickers-Armstrongs (Aircraft Limited)
Model:
Viscount 744 | Viscount 745D | Viscount 810
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: 91-14-16
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   91-NM-20-AD

AMENDMENT:   39-7057

AD NUMBER:   91-14-16

SUBJECT HEADING:   Airworthiness Directives; British Aerospace Viscount Model 744 and 745D Series Airplanes and Model 810 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective on August 9, 1991.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
91-14-16 BRITISH AEROSPACE: Amendment 39-7057. Docket No. 91-NM-20-AD.
Applicability: Viscount Model 744 and 745D series airplanes (Post Modification D2267, Part B), and Model 810 series airplanes (Post Modification FG611, Part B), certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent reduced structural integrity of the wings, accomplish the following:

A. Within 200 hours time-in-service or within 90 days after the effective date of this AD, whichever occurs first, inspect the upper break-joint for an incorrectly manufactured shear pin, Part No. 80203-3009, in accordance with British Aerospace Viscount Preliminary Technical Leaflet (PTL) No. 322, Issue 1 (for the Model 700 series airplanes), and PTL No. 191, Issue 1 (for the Model 810 series airplanes), both dated November 2, 1989. If damaged components or unserviceable short pins are found, prior to further flight, replace with serviceable parts in accordance with the appropriate PTL.

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, Standardization Branch, ANM-113, 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, 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.

D. The inspection and replacement requirements shall be done in accordance with British Aerospace Viscount Preliminary Technical Leaflet (PTL) No. 322, Issue 1 (for Model 700 series airplanes), or PTL No. 191, Issue 1 (for Model 810 series airplanes), both dated November 2, 1989. 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 British Aerospace, PLC, Librarian for Service Bulletins, P.O. Box 17414, Dulles International Airport, Washington, D.C. 20041-0414. Copies may be inspected at the FAA, Transport Airplane Directorate, Renton, Washington; or at the Office of the Federal Register, 1100 L Street N.W., Room 8401, Washington, D.C.

This amendment (39-7057, AD 91-14-16) becomes effective on August 9, 1991.

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.