# SDR HEEA077555

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2002
- Submitted: January 21, 2002
- Operation: General aviation
- Aircraft: N128
- Make and model: Bell TH-57A
- Registry model: [Bell TH-57A](https://openairdocs.org/model/bell-th-57a) (OpenAirDocs)
- Aircraft serial: 162814
- Aircraft time: 11,129 hours
- Engine: Allsn 250C18A
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Coupling
- Part number: 6870832
- Part serial: 70806
- Condition: Mismarked
- Location: Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA077555

## Discrepancy

NEW PART RECEIVED WITH IMPROPER PART NUMBER 6850832 ENGRAVED ON PART.

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