# SDR ERAA074628

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2001
- Submitted: July 23, 2001
- Operation: General aviation
- Aircraft: N421EH
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft serial: 33067
- Aircraft time: 12,731 hours, 13,138 cycles
- Engine: Pwa PT6T3
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Compressor
- Condition: Failed
- Location: Engine
- Part time: 13,292 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/ERAA074628

## Discrepancy

AFTER 451.2 HRS T.S.O. C-BOX REMOVED FROM AIRCRAFT DUE TO HIGH OIL PRESSURE.

---
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.