# SDR HEER20190111515

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2019
- Submitted: January 11, 2019
- Operation: Air carrier
- Aircraft: [N433PH](https://openairdocs.org/aircraft/N433PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53421
- Aircraft time: 10,148 hours
- Engine: Allsn 250C47B
- Engine time: 13,441 hours
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Bearing
- Part number: M25010795
- Part serial: NWB160052
- Condition: Spalled
- Location: Engine
- Part time: 3,416 hours
- Component: Turbine
- Component part number: M25010557
- 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/HEER20190111515

## Discrepancy

ENGINE REMOVED 12-25-18 DUE TO METAL IN OIL.  DETERMINED CAUSE TO BE TURBINE NR 5 BEARING SPALLING.  INSTALLED NEW BEARING.  PART WILL BE RETURNED FOR EVALUATION ON SHIPPING NUMBER 4904011120191.

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