SDR CA041020008

Service difficulty report · Probe · Bombdr DHC8400

Difficulty date: July 7, 2004
Submitted: March 3, 2005
Operation: General aviation
Make and model: Bombdr DHC8400
Engine: Pwc PW150A
System (JASC): 7712 · Engine BMEP/Torque Indicating
Part: Probe
Part number: 304725201
Condition: Failed
Location: Eng Torque
Stage of operation: DE
How discovered: 9
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) POWER PLANT CAUTION MESSAGE ON ENGINE DISPLAY DURING DESCENT. A/C COMPLETED AN UNEVENTFUL LANDING. AFTER SUCCESSFUL RESET OF THE SYSTEM WITH TCC CONTACT, ENGINES STARTED. JUST AFTER ENGINE SPOOL-UP WEGOT 'POWERPLANT' ONCE AGAIN. FLIGHT WAS THEN CANCELLED. FAULT CODE 166, QB (P12) SPEED INCONSISTENT, WAS FOUND LOGGED IN THE CENTRAL DIAGNOSTIC SYSTEM ON RT ENGINE.TORQUE PROBE QB WAS CONSEQUENTLY REPLACED.