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SDR CA130729011

Open the Markdown

Service difficulty report · Engine · Dhav DHC8301

FAA SDR system

Difficulty date
July 20, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Dhav DHC8301
Engine
Pwa PW123
System (JASC)
7200 · Engine (Turbine/Turboprop)
Part
Engine
Condition
Power Loss
Location
Nr 2
Stage of operation
CR
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) 16 MINUTES INTO THE FLIGHT, THE CREW NOTICED A SLIGHT YAW OF THE ACFT, FOLLOWED BY AN UNUSUAL PROPELLER SOUND ON THE NR 2 ENGINE. TORQUE WAS INDICATING APPROXIMATELY 104.1 PERCENT AND RPM WAS INDICATING 500-540 RPM. THE CREW CALLED AN UNCOMMANDED AUTOFEATHER AND THE ENGINE SHUTDOWN. A SAFE SINGLE ENGINE LANDING FOLLOWED. TROUBLESHOOTING FOUND A MAGNETIZED TORQUE SHAFT.