# SDR HEER20150714422

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2015
- Submitted: July 15, 2015
- Operation: Air carrier
- Filed by: [PHI Aviation, LLC, repair station HEER617E](https://openairdocs.org/faa-repair-station/HEER617E/phi-aviation-llc.md) (OpenAirDocs)
- Aircraft: [N404PH](https://openairdocs.org/aircraft/N404PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53188
- Aircraft time: 17,619 hours
- Engine: Allsn 250C47B
- Engine time: 12,830 hours
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Bearing
- Part number: M25010106
- Part serial: NWC140166
- Condition: Spalled
- Location: Engine
- Part time: 800 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/HEER20150714422

## Discrepancy

ENGINE REMOVED 6-30-15 DUE TO METAL IN OIL.  FOUND SPALLING AT OUTER RACE SPLIT & WORN POCKET AT SEPARATOR ON NR 5 BEARING.  INSTALLED NEW NR 5 BEARING.  PART WILL BE RETURNED FOR FURTHER EVALUATION.

---
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.