# SDR PCAA9700662

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N814EX
- Make and model: Dhav DHC8102
- Aircraft serial: 318
- Engine: Pwa PW120A
- System (JASC): [7321 · Fuel Control/Turbine Engines](https://openairdocs.org/jasc/7321)
- Part: Ecu
- Condition: Failed
- Location: Nr 2 Engine
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/PCAA9700662

## Discrepancy

DURING CLIMB-OUT FROM BTV, THE A/C EXPERIENCED CONTINUOUS YAW FLUCTUATIONS.  TORQUE, ITT, FUEL FLOW, AND PROP RPM ALSO FLUCTUATED FOR THE NR 2 ENGINE.  A/C RETURNED TO FIELD AND LANDED WITHOUT INCIDENT.  MAINTENANCE T/S SYSTEM, FOUND NR 2 ENGINE ECU AT FAULT PERFORMED SATISFACTORY TEST FLIGHT WITH NR 2 ECU INOP PER MEL PROCEDURES.  SUBSEQUENT MTC RON, MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE WIRING HARNESS.  A/C RETURNED TO SERVICE.  (M)

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