Airworthiness Directives

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47-21-19 REPUBLIC: (Was Mandatory Note 9 of AD-769-2.) Applies to Model RC-3 Aircraft Serial Numbers 5 to 238, Inclusive.

Compliance required not later than the next 25 hours of operation subsequent to July 1, 1947, but in no case later than September 1, 1947.

Inspect parking brake, battery, mixture and carburetor heat flexible controls for presence of brass ferrule or AN 742D3 clamp on split sleeve at operating end of these controls. If clamp or ferrule is not installed, split metal sleeve can open permitting casing to slide out when control is actuated thus rendering the control ineffective. The above clamp should be installed immediately.

(Seabee Service News No. 10, dated January 13, 1947, covers this subject.)


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