# SDR 95ZZZX2090

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N703AL](https://openairdocs.org/aircraft/N703AL), registered now
- Make and model: Skrsky S76
- Aircraft serial: 760266
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Bearing Cone
- Part number: SB3167101
- Condition: Failed
- Location: Input Quill
- Part time: 599 hours
- Component: 763357050000
- 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/95ZZZX2090

## Discrepancy

DURING GROUND RUN, INTERMEDIATE GEARGBOX BEARING FAILED.  CAUSE UNKNOWN.  BEARINGS, INPUT QUILL HOUSING AND INPUT GEAR SENT TO SIKORSKY FOR EVALUATION.  CONE PN SB3167101, CUP PN SB3167201.

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