# SDR HEEA130954

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2011
- Submitted: April 22, 2011
- Operation: Air carrier
- Aircraft: [N426PH](https://openairdocs.org/aircraft/N426PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53751
- Aircraft time: 1,758 hours
- Engine: Allsn 250C47B
- Engine time: 6,485 hours
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Bearing
- Part number: 6871505
- Part serial: MP088839
- Condition: Spalled
- Location: Nr 5
- Part time: 877 hours
- Component: Turbine Assy
- 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/HEEA130954

## Discrepancy

ENGINE WAS REMOVED DUE TO CYCLED WHEELS.  NR 5 BEARING EXHIBITED SPALLING OF OUTER RACE AT SPLIT.  REPLACED NR5 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.