AD 73-12-02

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AD Number:
73-12-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
DOWTY ROTOL Model (c)R186/4-30-4/16 Propellers
Subject:
Hub Front Wall
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
07/01/1973
Make:
Dowty Propellers
Model:
(c) R186/4-30-4/
Product Type:
Propeller
Product Subtype:
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 73-12-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-1653

AD NUMBER:   73-12-02

SUBJECT HEADING:   DOWTY ROTOL Model (c)R186/4-30-4/16 Propellers

ACTION:  

SUMMARY:  

DATES:   Effective July 1, 1973.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   73-12-02 DOWTY ROTOL: Amdt. 39-1653. Applies to Dowty Rotol Propellers, type (c)R186/4-30-4/16 which have not been modified in accordance with Modification No. (c) VP.2388 (Rev. 3). These propellers are installed on, but not necessarily limited to, Armstrong Whitworth Argosy Type A.W. 650 Series 101 airplanes.

Compliance is required as indicated.

To prevent cracking of the propeller hub front wall, accomplish the following:

Within the next 200 hours' time in service after the effective date of this AD, or prior to the accumulation of 8,000 hours total time in service, whichever occurs later, strengthen the propeller hub and hub driving center by incorporating Modification No. (c) VP.2388, Revision 3, in accordance with Dowty Rotol Service Bulletin No. 61-604 (Rev. 2) dated November 24, 1971, or an FAA-approved equivalent.

This amendment becomes effective July 1, 1973.

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