# SDR HEEA130604

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2011
- Submitted: March 31, 2011
- Operation: Air carrier
- Aircraft: [N427PH](https://openairdocs.org/aircraft/N427PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53378
- Aircraft time: 2,646 hours
- Engine: Allsn 250C47B
- Engine time: 4,887 hours
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Bearing
- Part number: 6871505
- Part serial: MP087497
- Condition: Spalled
- Location: Nr 5
- Part time: 3,971 hours
- Component: Turbine
- Component part number: 23063354
- 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/HEEA130604

## Discrepancy

ENGINE REMOVED FOR TURBINE O/H AND 2000 HR INSP.  NR 5 BEARING EXHIBITED SPALLING IN OUTER RACE SPLIT.  INSTALLED NEW BEARING.

---
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.