# SDR 2013FA0000625

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 1, 2013
- Submitted: November 5, 2013
- Operation: General aviation
- Aircraft: [N825H](https://openairdocs.org/aircraft/N825H), registered now
- Make and model: Bell 214ST
- Registry model: [Bell 214ST](https://openairdocs.org/model/bell-214st) (OpenAirDocs)
- Aircraft serial: 28137
- Aircraft time: 8,402 hours, 5,135 cycles
- Engine: Ge CT72A
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Case
- Part number: 214040761111
- Part serial: 172
- Condition: Cracked
- Location: Xmisn Ring Gear
- Part time: 4,839 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2013FA0000625

## Discrepancy

DURING INVESTIGATION OF AN OIL LEAK,  A CRACK WAS FOUND IN THE MAIN TRANSMISSION UPPER LEFT HAND RING GEAR CASE .

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