# SDR ERAA091801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2003
- Submitted: January 12, 2004
- Operation: Air carrier
- Aircraft: [N423EH](https://openairdocs.org/aircraft/N423EH), registered now
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft time: 140,934 hours
- Engine: Allsn 250C20B
- Engine time: 14,245 hours
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Making Metal
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ERAA091801

## Discrepancy

ENGINE MAKING METAL.  HEAVY WEAR ON TORQUE METER GEAR AND PINION. INSTALLED SERVICEABLE GEARBOX.  COMPLIED WITH E CHECK.

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