AD 86-16-09

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AD Number:
86-16-09
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; BRITISH AEROSPACE VISCOUNT Model 800 Series Airplanes
Subject:
Hydraulic Cut Out Valve
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
09/08/1986
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Superseded AD: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Superseded By: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: 86-16-09
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5377

AD NUMBER:   86-16-09

SUBJECT HEADING:   Airworthiness Directives; BRITISH AEROSPACE VISCOUNT Model 800 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective September 8, 1986.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   86-16-09 BRITISH AEROSPACE VISCOUNT: Amendment 39-5377. Applies to Vickers Viscount Model 800 series airplanes, certificated in any category. Compliance is required as indicated, unless previously accomplished. To prevent nose landing gear collapse as a result of a faulty hydraulic cut out valve, accomplish the following:

A. Within the next 1,000 hours time-in-service or nine months after the effective date of this AD, whichever occurs first, modify the cut out valve, Part Number AIR 41916, in accordance with Automotive Products Modification Standard SA 3490, dated December 16, 1959 (reference BAe Technical News Sheet No. 232, Issue 1, dated August 5, 1985).

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, Northwest Mountain Region.

C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD.

All persons affected by this directive, who have not already received the appropriate service document from the manufacturer, may obtain copies upon request to British Aerospace, Inc., Box 17414, Dulles International Airport, Washington, D.C. 20041. This document may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington.

This amendment becomes effective September 8, 1986.

FOOTER: