# SDR AU000397

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2000
- Submitted: June 23, 2000
- Operation: General aviation
- Make and model: Aerosp AS 355F
- Registry model: [Aerosp AS 355F](https://openairdocs.org/model/aerospatiale-as-355f) (OpenAirDocs)
- Engine: Allsn 250C20F
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Bearing
- Part number: 593404
- Condition: Failed
- Location: Tail Rotor Drive
- Part time: 620 cycles
- Component: Tail Rotor Drive, Aerosp, 350A34011004
- 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/AU000397

## Discrepancy

(AUS) TAIL ROTOR DRIVESHAFT BEARING SPINNING ON THE DRIVESHAFT WEARING A GROOVE INTO THE SHAFT.

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