# SDR HEER20151021833

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2015
- Submitted: October 21, 2015
- Operation: Air carrier
- Aircraft: [N402PH](https://openairdocs.org/aircraft/N402PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53159
- Aircraft time: 14,519 hours
- Engine: Allsn 250C47B
- Engine time: 13,825 hours
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Bearing
- Part number: M25010106
- Part serial: NWK120841
- Condition: Spalled
- Location: Nr 5
- Part time: 860 hours
- Stage of operation: IN
- How discovered: U
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEER20151021833

## Discrepancy

ENGINE REMOVED DUE TO 1ST AND 2ND STAGE WHEEL RETIREMENT.  NR 5 BEARING REMOVED DUE TO PROBABLE SPALLING AT OUTER RACE SPLIT.

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