# SDR QMLA2015060715045

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2015
- Submitted: June 8, 2015
- Operation: Air carrier
- Aircraft: [N223AM](https://openairdocs.org/aircraft/N223AM), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53954
- Aircraft time: 1,520 hours, 4,948 cycles
- Engine: Allsn 250C47B
- Engine time: 1,444 hours, 2,976 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Potentiometer
- Condition: Dirty
- Location: Trnsmission Deck
- Stage of operation: AA
- 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/QMLA2015060715045

## Discrepancy

WHILE INFLIGHT, THE FADEC DEGRADE & RESTART LIGHT ILLUMINATED.  THE PILOT RETURNED TO BASE WITHOUT INCIDENT. DOWNLOADED FAULT CODE & DETERMINED HMU PLA POTENTIOMETER ISSUE.  CYCLED THE THROTTLE SEVERAL TIMES FROM CUT OFF THROUGH 100% TO CLEAN ANY DIRT OR GRIT FORM POTENTIOMETER.  CLEARED OLD FAULT CODES & HAD NO NEW FAULT CODES.  GND RUN ACFT & NO NEW DISCREPANCIES OCCURRED.  ACFT WAS RETURNED TO SERVICE.

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