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AD 66-09-02

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Airworthiness directive · Pitch Lock · Dowty Propellers (c) R179/4-20-4/, (c) R184/4-30-4/ and (c) R193/4-30-4/

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AboutSource files 1
Effective
June 16, 1966
Models
(c) R179/4-20-4/, (c) R184/4-30-4/, (c) R193/4-30-4/
Data sheets
TCDSP-899TCDSP-890
Product
Propeller
Amendment
39-215

Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.

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The airworthiness directive

66-09-02 DOWTY ROTOL: Amdt. 39-215 Part 39 Federal Register March 23, 1966. Applies to Dowty Rotol Propellers, (c) R.193/4-30-4/50, installed on Fairchild F-27; (c) R.184/4- 30-4/50, installed on Grumman G-159; and (c) R.179/4-20-4/33, installed on Viscount 810.

Compliance required within the next 200 hours' time in service after the effective date of this AD unless already accomplished.

To prevent further improper operation of the propeller pitch lock under high oil temperature conditions, rework the existing Lock Support Sleeve, Dowty Rotol P/N RA.61236, in accordance with Dowty Rotol Service Bulletin No. 61-185 (Modification No. (c) VP.2032) or later ARB-approved revision.

This directive effective April 22, 1966.

Revised June 16, 1966.

Affected TCDS · 2

The type certificate data sheets for the models this AD names, matched by model and maker.

TCDS P-899Dowty PropellersNames 2 of 9 models: (c) R193/4-30-4/ and (c) R184/4-30-4/TCDS P-890Dowty PropellersNames 1 of 5 models: (c) R179/4-20-4/

Registered aircraft

No registered aircraft matched this AD’s modelsForeign aircraft aren’t included, and ADs on propellers and appliances aren’t matched by model.