# SDR SWIA200211121

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2002
- Submitted: August 22, 2002
- Operation: Air carrier
- Aircraft: [N235SW](https://openairdocs.org/aircraft/N235SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120310
- Aircraft time: 15,480 hours, 22,120 cycles
- Engine: Pwa PW118A
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hmu
- Part number: 3035659
- Part serial: F3240
- Condition: Malfunctioned
- Location: Rt Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA200211121

## Discrepancy

ON TAKEOFF ROLL, RIGHT ENGINE TORQUE WAS OBSERVED TO FLUCTUATE FROM 95 PERCENT DOWN TO 85 PERCENT AND BACK A NUMBER OF TIMES.  TAKEOFF WAS ABORTED.  REPLACED RIGHT ENGINE HMU WITH A SERVICEABLE UNIT.  NO LEAKS NOTED AT THIS TIME.  OPS CHECK GOOD.

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