# SDR 95ZZZX6318

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N587MA](https://openairdocs.org/aircraft/N587MA), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B166
- Engine: Ge CT79B
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Bearing
- Part number: 7757591
- Condition: Spalled
- Location: Prop Shaft
- Part time: 11,298 hours
- Component: Hamstd, GC49
- 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/95ZZZX6318

## Discrepancy

GEAR CASE RETURNED FROM FIELD DUE TO 'MAKING METAL'. DISASSEMBLY REVEALED THE BALL BEARING, PN 775759-1, ON THE MAIN PROPELLER SHAFT HAD FAILED.  REFERENCE CMM 72-11-02.

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