# SDR HEER20150402988

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2015
- Submitted: April 3, 2015
- Operation: General aviation
- Aircraft: [N443PH](https://openairdocs.org/aircraft/N443PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 54090
- Aircraft time: 4,072 hours
- Engine: Allsn 250C47B
- Engine time: 11,247 hours
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Spline Adapter
- Part number: 230511171
- Part serial: GK561474
- Condition: Scored
- Location: Compressor
- Part time: 239 hours
- Component: Compressor
- Component part number: M25010559
- 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/HEER20150402988

## Discrepancy

ENGINE DISASSEMBLED 3-23-15 DUE TO COMPRESSOR FOD.  SPLINED ADAPTER REMOVED DUE TO SCORING ON INTERNAL SPLINES.  REPLACED SPLINED ADAPTER.

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