Service difficulty report · Signal Cond Unit · Dhav DHC8311

Difficulty date
December 16, 2011
Submitted
September 14, 2015
Operation
General aviation
Make and model
Dhav DHC8311
Engine
Pwa PW123
Part
Signal Cond Unit
Condition
Failed
Location
Engine
Stage of operation
TO
How discovered
9
Nature of condition
F
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 T/O ROLL, THE NR 2 ENGINE AUTOFEATHERED. THE T/O WAS ABORTED AND THE ACFT RETURNED TO THE RAMP. TROUBLESHOOTING FOUND A FAULTY TORQUE SIGNAL CONDITIONER, WHICH WAS REPLACED BEFORE THE ACFT WAS RETURNED TO SERVICE. MFG RECOMMENDS THE SDR BE CLOSED ON THE BASIS OF THE FOLLOWING INFORMATION.