SDR CA151215008

Service difficulty report · Engine · Bombdr DHC8400

Difficulty date: November 30, 2015
Submitted: April 22, 2016
Operation: General aviation
Make and model: Bombdr DHC8400
Engine: Pwc PW150A
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Power Loss
Location: Nr 1
Stage of operation: TO
How discovered: O
Nature of condition: R, J
Precautionary procedure: C

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

What was found

(CAN) DURING TAKE-OFF (AFTER V1), THE ENGINE NR 1 POWER RATING NTOP, TORQUE BUG DROP UP TO 30% AND TORQUE INDICATION DROP ABOUT 10%. AFTER THIS, TORQUE BUG BACK TO RATING (CCA 79%) AND TORQUE INDICATION BACK TO SAME LEVEL, NO FURTHER OBSERVATIONS WERE MADE BY THE CREW DURING THE REST OF THE FLIGHT EN-ROUTE. PRELIMINARY TROUBLESHOOTING REVEALED FAULTS 1711 AND 1504 WERE RECORDED AT VARIOUS TIME SIMULTANEOUS ON BOTH ENGINES.