# SDR M3XA201312260005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2013
- Submitted: December 26, 2013
- Operation: Air carrier
- Aircraft: [N522MT](https://openairdocs.org/aircraft/N522MT), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53272
- Aircraft time: 4,552 hours, 10,584 cycles
- Engine: Allsn 250C47B
- Engine time: 3,447 hours, 8,792 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Making Metal
- Part time: 3,447 hours, 8,792 cycles
- Stage of operation: AA
- How discovered: O
- Nature of condition: J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/M3XA201312260005

## Discrepancy

PILOT BEGAN TO PULL UP ON COLLECTIVE & RECEIVED AN ENG CHIP LIGHT ILLUMINATION.  PULLED BOTH UPPER & LOWER CHIP DETECTORS & FOUND EXCEEDANCE OF CHIPS & FLAKES THAT IS IAW M250-C47B, 72-00-00, 8 E SECTION.  ENG CHANGE REQUIRED.

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