# SDR 98ZZZX3097

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N437AL](https://openairdocs.org/aircraft/N437AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53141
- Engine: Allsn 250C47B
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Bearing
- Part number: 6895007
- Condition: Galled
- Location: Aft Side Of Grbx
- Part time: 1,384 hours
- Component: 23063393
- 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/98ZZZX3097

## Discrepancy

ENGINE REMOVED FROM AIRCRAFT FOR CHIP LIGHT.  UPON INSPECTION OF PARTS, FOUND EXCESSIVE GALLING ON T/M JOURNAL INNER RACE AND ROLLERS. EXCESSIVE GALLING ON T/M JOURNAL BEARIANG INNER RACE AND ROLLERS.

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