# SDR HEEA062907

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N911RS](https://openairdocs.org/aircraft/N911RS), registered now
- Make and model: Bolkms BO105CBS
- Aircraft serial: S670
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Bevel Gear Set
- Part number: 4619210902
- Condition: Spalled
- Location: M/R Gearbox
- Part time: 7 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/HEEA062907

## Discrepancy

BEVEL GEAR SET SPALLING.

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