# SDR QMLA2018012918011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2018
- Submitted: February 1, 2018
- Operation: Air carrier
- Aircraft: [N407LN](https://openairdocs.org/aircraft/N407LN), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53181
- Aircraft time: 11,090 hours, 31,714 cycles
- Engine: Allsn 250C47B
- Engine time: 8,913 hours, 21,601 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Making Metal
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2018012918011

## Discrepancy

EN ROUTE TO BASE, THE ENGINE CHIP LIGHT ILLUMINATED.  LANDED.  MAINTENANCE PULLED THE MAGNETIC PLUGS FROM ENGINE AND DISCOVERED NUMEROUS SIGNIFICANT FERROUS SLIVERS AND DEBRIS ON BOTH.

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