# SDR HEER20180618020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2018
- Submitted: June 18, 2018
- Operation: Air carrier
- Filed by: [PHI Aviation, LLC, repair station HEER617E](https://openairdocs.org/faa-repair-station/HEER617E/phi-aviation-llc.md) (OpenAirDocs)
- Aircraft: [N427P](https://openairdocs.org/aircraft/N427P), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53278
- Aircraft time: 9,721 hours
- Engine: Allsn 250C47B
- Engine time: 12,801 hours
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Bearing
- Part number: M25010399
- Part serial: FAG144634
- Condition: Making Metal
- Location: Gearbox
- Part time: 524 hours
- Component: Gearbox
- Component part number: 23063393
- 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/HEER20180618020

## Discrepancy

ON DISASSEMBLY OF THE ENGINE,  METAL WAS FOUND IN THE GEARBOX.  NR 3 ROLLER BEARING EXHIBITED METAL PICKOUT IN SEPERATOR POCKETS.  INSTALLED A NEW BEARING.

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