AD 73-12-12

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AD Number:
73-12-12
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Series 810 Airplanes
Subject:
Power Plant Fire Extinguisher
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
07/06/1973
Make:
Vickers-Armstrongs (Aircraft Limited)
Model:
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Superseded AD: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Superseded By: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: 73-12-12
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-1661

AD NUMBER:   73-12-12

SUBJECT HEADING:   Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Series 810 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective July 6, 1973.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
73-12-12 BRITISH AIRCRAFT CORPORATION: Amdt. 39-1661. Applies to Viscount Series 810 airplanes.

Compliance is required as indicated.

To prevent a possible restriction in a power plant fire extinguisher pipe accomplish the following:

Within the next 500 hours' time in service after the effective date of this AD, unless already accomplished within 5 years prior to the effective date of this AD, and thereafter at intervals not to exceed 5 years from the last replacement, replace the rubber seal sleeves P/N FRS.-F-Series 1, installed in the power plant fire extinguisher system in the pipe connector assembly located at the engine fire-proof bulkhead, with seal sleeves of the same part number.

(BAC Alert Preliminary Technical Leaflet No. 149, Issue 1, dated July 30, 1971, covers this same subject).

This Amendment becomes effective July 6, 1973.

FOOTER: