AD 57-26-02

AD Final Rules - DRS_57-26-02.html
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AD Number:
57-26-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; VICKERS Model 700 Series Aircraft
Subject:
Flap Idler Sprocket
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
Make:
Vickers-Armstrongs (Aircraft Limited)
Model:
Viscount 744 | Viscount 745D
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Superseded AD: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Superseded By: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: 57-26-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:  

AD NUMBER:   57-26-02

SUBJECT HEADING:   Airworthiness Directives; VICKERS Model 700 Series Aircraft

ACTION:  

SUMMARY:  

DATES:  

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
57-26-02 VICKERS: Applies to All Viscount 700 Series Aircraft.

Compliance required not later than July 1, 1958.

To preclude the possibility of the flap idler sprocket retaining nut, P/N 60903-39 and 60903-1151 from becoming unscrewed, the improved locking means for the sprocket shaft nuts at Nos. 1, 2, and 3 flap units should be incorporated. This consists of the installation of a screwed collar P/N 70103-4227 and a split pin, P/N SP9E10. Vickers PTL No. 174 and Modification Bulletin No. 2439 cover the same subject. Modification No. 2439 has been classified as essential by the British Air Registration Board. The FAA concurs and considers compliance mandatory.

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