# SDR ALG2002F00051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2002
- Submitted: July 18, 2002
- Operation: Air carrier
- Aircraft: [N647AL](https://openairdocs.org/aircraft/N647AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53357
- Engine: Allsn 250C47B
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Bearing
- Part number: 407040303109
- Part serial: ZV10692
- Condition: Failed
- Location: Nr 1 T/R Dshaft
- Component: Nr1 T/R Drshaft
- Component part number: 407040303109
- Stage of operation: NR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALG2002F00051

## Discrepancy

BEARING FAILED IN FLIGHT.  MAJOR BEARING FAILURE.

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