# SDR QMLA2022080220048

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2022
- Submitted: August 2, 2022
- Operation: Air carrier
- Aircraft: [N135AM](https://openairdocs.org/aircraft/N135AM), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 54385
- Aircraft time: 3,601 hours, 12,798 cycles
- Engine: Allsn 250C47B
- Engine time: 14,872 hours, 13,135 cycles
- System (JASC): [7300 · Engine Fuel and Control](https://openairdocs.org/jasc/7300)
- Part: Hmu
- Part number: M25010151
- Part serial: JGALM1965
- Condition: Faulted
- Location: Engine
- Part time: 2,586 hours
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2022080220048

## Discrepancy

IN FLIGHT CAS SHOWED FADEC DEGRADE THEN A RESTART FAULT, HMU REPLACEMENT.

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