SDR CA130819004

Service difficulty report · Controller · Aerosp ATR42500

Difficulty date: August 6, 2013
Submitted: September 14, 2015
Operation: General aviation
Make and model: Aerosp ATR42500
Engine: Pwa PW127
System (JASC): 6120 · Propeller Controlling System
Part: Controller
Condition: Malfunctioned
Location: Propeller
Stage of operation: CR
How discovered: O
Nature of condition: R
Precautionary procedure: A

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

What was found

(CAN) DURING CRUISE, THE ENGINE NR 2 LOSS OF TORQUE AND NP, TORQUE BELOW 20 PERCENT AND NP AT 7 PERCENT, THEN AUTOMATIC RELIGHT WITHIN 30 SECONDS. TROUBLESHOOTING LED TO THE REPLACEMENT OF THE AUTOFEATHER UNIT, WHICH WILL BE SENT FOR INVESTIGATION.

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