# SDR MALA965059

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N833MA](https://openairdocs.org/aircraft/N833MA), registered now
- Make and model: Dhav DHC8102
- Aircraft serial: 343
- Engine: Pwa PW120A
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hmu
- Part number: 7863916
- Condition: Malfunctioned
- Location: Lt Engine
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA965059

## Discrepancy

FLT 3344 - IN CRUISE FLIGHT FROM DTW, THE CREW NOTED INTERMITTENT TORQUE FLUCTUATIONS FROM THE LEFT ENGINE.  THE AIRCRAFT RETURNED TO DTW.  MAINTENANCE REPLACED THE LEFT HMU, P/N 786391-6, AND THE LEFT ENGINE HARNESS, P/N 3114792-02.  THE TSCU WAS REPLACED AS A PRECAUTION.  ALL CHECKS WERE SATISFACTORY.  (M)

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