# SDR ALGA087896

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2003
- Submitted: July 14, 2003
- Operation: Air carrier
- Aircraft: [N547AL](https://openairdocs.org/aircraft/N547AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53240
- Aircraft time: 6,362 hours
- Engine: Allsn 250C47B
- Engine time: 7,761 hours
- System (JASC): [8300 · Accessory Gearboxes](https://openairdocs.org/jasc/8300)
- Part: Pinion Gear
- Part number: E6893672
- Part serial: SG12052
- Condition: Galled
- Location: Gearbox
- Part time: 263 hours
- Component: Gearbox
- Component part number: 23063393
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALGA087896

## Discrepancy

ENGINE REMOVED DUE TO METAL IN OIL. CAUSE FOUND TO BE GALLING ON PINION GER TEETH. REMOVED AND REPLACED PINION GEAR.

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