# SDR 97ZZZX2904

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N16917](https://openairdocs.org/aircraft/N16917), registered now
- Make and model: Bell 206B-3
- Registry model: [Bell 206B-3](https://openairdocs.org/model/bell-helicopter-textron-206b-3) (OpenAirDocs)
- Aircraft serial: 2303
- Engine: Allsn 250C20B
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Gearbox
- Part number: 6894171
- Condition: Cracked
- Location: Engine
- Part time: 7,850 hours
- 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/97ZZZX2904

## Discrepancy

FOUND ENGINE GEARBOX CRACKED AT TOP MOUNTING LOCATION FOR COMPRESSOR.  NO ABNORMAL VIBRATIONS OR CIRCUMSTANCES LED TO FINDING CRACK.

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