# SDR HEEA080433

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2002
- Submitted: July 22, 2002
- Operation: Air carrier
- Aircraft: 078
- Make and model: Bell TH-57A
- Registry model: [Bell TH-57A](https://openairdocs.org/model/bell-th-57a) (OpenAirDocs)
- Aircraft serial: 162042
- Aircraft time: 12,410 hours
- Engine: Allsn 250C18
- Engine time: 9,756 hours
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Shaft
- Part number: 23031922
- Part serial: CG126652
- Condition: Worn
- Location: Compressor
- Part time: 826 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA080433

## Discrepancy

SHAFT HAS SPALLING AND STEP WEAR ON GEAR TEETH BEYOND NORMAL WEAR.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.