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AD 47-32-15

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Airworthiness directive · Control System Chain and Sprockets · Sikorsky S-51

FAA copy· 19 KB
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AboutSource files 1
Model
S-51
Data sheet
TCDSH-2
Product
Aircraft · Rotorcraft

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

47-32-15 SIKORSKY: (Was Mandatory Note 1 of AD-2H-1.) Applies to Model S-51 Helicopters.

Compliance required prior to next flight.

Inspect the chain and sprockets of the control system for an accumulation of excessive grease and foreign matter. Excessive grease and any foreign matter adhering to the chain and sprockets should be removed prior to the next flight in order to prevent possible malfunctioning of the flight control system. The recommended procedure as contained in the Sikorsky Service Information Circular No. 17 dated June 2, 1947, should be followed at the first disassembly of these parts.

Affected TCDS · 1

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

TCDS H-2Sikorsky Aircraft CorporationNames 1 of 1 model: S-51

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.