# SDR NYBA9712

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N129NH](https://openairdocs.org/aircraft/N129NH), registered now
- Make and model: Skrsky S58ET
- Aircraft serial: 58855
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Ring Gear
- Part number: S163520058002
- Condition: Making Metal
- Location: M/R Gr Box
- Part time: 187 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NYBA9712

## Discrepancy

GEARBOX RING GEAR CAUSING METAL GENERATION.  REPLACED

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