Service difficulty report · Hmu · Aerosp ATR72212

Difficulty date
September 30, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Aerosp ATR72212
Engine
Pwa PW127
Propeller
Hamstd 247F1
Part
Hmu
Condition
Malfunctioned
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
R, J
Precautionary procedure
O

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

What was found

(CAN) FLIGHT CREW REPORTED AN UNCOMMANDED POWER LOSS ON THE NR 2 ENGINE OF PLUS/MINUS 30 PERCENT TORQUE. THERE WERE NO INDICATIONS TO CAUSE THE POWER LOSS, LIGHTS WERE TESTED, ELECTRONIC ENGINE CONTROL FAULT CHECKLIST WAS CARRIED OUT WITH NO FAULT LIGHT ILLUMINATED. THE POWER MANAGEMENT SELECTOR WAS RECYCLED. THE ENGINE SLOWLY RECOVERED POWER THROUGH 10,000 FT. DISPATCH WAS CONTACTED AND THE FLIGHT CONTINUED, NO EMERGENCY WAS DECLARED. MAINTENANCE IS CURRENTLY TROUBLESHOOTING THE SNAG.

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