# SDR CA980317003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 1998
- Submitted: January 19, 2001
- Operation: Air carrier
- Make and model: Dhav DHC8102
- Aircraft time: 33,164 hours
- Engine: Pwa PW120A
- Propeller: Hamstd 14SF7
- System (JASC): [7322 · Fuel Control/Reciprocating Engines](https://openairdocs.org/jasc/7322)
- Part: Hydro Mech Unit
- Part number: 7863916
- Condition: Erratic
- Location: Potentiometer
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980317003

## Discrepancy

(CAN) TAKEOFF REJECTED DUE TO NR 1 ENGINE TORQUE FLUCTUATING BETWEEN 85-95 PERCENT. HYDRO MECHANICAL UNIT (HMU) TESTED, FAILED DELASTIC POTENTIOMETER TEST. HMU REPLACED.

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