Service difficulty report · Engine · Aerosp ATR42500

Difficulty date
October 28, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Aerosp ATR42500
Engine
Pwc PW127E
Part
Engine
Condition
Power Loss
Location
Nr 2
Stage of operation
NR
How discovered
O
Nature of condition
R, J
Precautionary procedure
E, A

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

What was found

(CAN) DURING A FERRY FLIGHT WITH NO PASSENGERS ON BOARD, SHORTLY AFTER T/O AND AT 400 FT, THE NR 2 ENGINE LOST POWER. THE CREW RETURNED TO THE DEPARTURE AIRPORT AND DURING THE DOWNWIND LEG, THE NR 1 ENGINE TORQUE AND PARAMETERS STARTED TO FLUCTUATE. THE CREW APPARENTLY SHUT THE NR 1 DOWN, TO BE CONFIRMED AND MANAGED TO LAND ON THE RUNWAY. A TIRE BLOWOUT OCCURRED DURING THE LANDING. A REQUEST FOR EVENT CLARIFICATION AND OFFER OF ASSISTANCE WAS MADE. UPDATE 1: DOUBLE IFSD CONFIRMED, AFTER T/O AND UPON SELECTING "CRUISE" ON THE ACFT POWER MANAGEMENT SYSTEM, THE NR 2 PROPELLER SPEED DID NOT REDUCE. IAW THE QRH THE PILOT SHOULD HAVE RETARDED THE CONDITION LEVER BUT HE RETARDED THE POWER LEVER INSTEAD AND GOT NO RESPONSE FROM THE ENGINE. HE ELECTED TO SHUTDOWN ENGINE AND RETURN TO THE DEPARTURE AIRPORT. DURING APPROACH, THE NR 1 ENGINE PARAMETERS STARTED TO FLUCTUATE, TORQUE AND POWER TURBINE SPEED. THE PILOT DECIDED TO SHUT THIS ENGINE DOWN AND A DEAD STICK LANDING WAS MADE. THE TIRE BLOWOUT RESULTED FROM EXCESSIVE HEAT CAUSED BY HEAVY BREAKING ACTION DURING LANDING ROLL.

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