# SDR CA091113006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2009
- Submitted: March 1, 2010
- Operation: General aviation
- Make and model: Skrsky S76C
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Housing
- Part number: 7635109002055
- Condition: Peeling
- Location: M/R Gearbox
- Component: Main Gear Box, Skrsky, 763510960004
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA091113006

## Discrepancy

(CAN) FAULTY SERMATEL COATING ON NEW UPPER HSG.  FOLLOWING WASH AND INSP OF NEW UPPER HSG, IT WAS NOTED THAT THE PROTECTIVE COATING WAS FLAKING OFF IN 2 SPOTS ON INSIDE OF HSG EXPOSING MAGNESIUM CASTING. RETURN TO VENDOR FOR FULL WARRANTY. REQUEST FOR OEM FEEDBACK IN PROCESS .-27OCT 2009   PN 76351-09002-055.

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