# SDR HEED064634

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N476X
- Make and model: Skrsky S76C
- Aircraft serial: 760436
- Engine: Tmeca ARRIEL1S1
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Pump
- Part number: 0292105230
- Condition: Failed
- Location: Gearbox
- Part time: 276 hours
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEED064634

## Discrepancy

LOW OIL PRESSURE AND CHECK VALVE ALLOWS THE OIL TANK TO DRAIN BACK INTO THE GEARBOX AFTER SHUTDOWN .  REPLACED PART.

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