# SDR HEED064579

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N478X](https://openairdocs.org/aircraft/N478X), registered now
- Make and model: Skrsky S76C
- Aircraft serial: 760493
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Housing
- Part number: 7635805112042
- Condition: Corroded
- Location: T/R Gearbox
- Part time: 234 hours
- Stage of operation: IN
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEED064579

## Discrepancy

TAIL ROTOR GEARBOX S/N: A239-00202 REMOVED FROM AIRCRAFT DUE TO  LEAKING.  FOUND OUTPUT HOUSING (ABOVE) QUADRANT ATTACHMENT BOLT HOLE AREA CORRODED.   REPLACED WITH NEW OUTPUT HOUSING.

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