# SDR FJ7A115620

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2007
- Submitted: May 29, 2007
- Operation: Air carrier
- Aircraft: [N174AM](https://openairdocs.org/aircraft/N174AM), registered now
- Make and model: Urocop EC 130 B4
- Registry model: [Urocop EC 130 B4](https://openairdocs.org/model/eurocopter-ec-130-b4) (OpenAirDocs)
- Aircraft serial: 4007
- Aircraft time: 243 hours, 792 cycles
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Gasket
- Part number: 350A32106321
- Condition: Cracked
- Location: Main Rotor
- Part time: 244 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FJ7A115620

## Discrepancy

FIBERGLASS GASKET INSTALLED ON BOTH SIDES OF RING GEAR CRACKED AND PUSHED OUT CAUSING AN OIL LEAK.

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