Service difficulty report · Engine · Aerosp ATR72

Difficulty date
April 8, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Aerosp ATR72
Engine
Pwa PW127
Part
Engine
Condition
Malfunctioned
Location
Not Reported
Stage of operation
AP
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 APPROACH UNDER SEVERE WEATHER CONDITIONS, THE PILOT GOT AN ENGINE OUT WARNING, LIKELY RELATED TO AUTO RELIGHT SYSTEM BEING ACTIVATED. APPROXIMATELY 15 MIN. LATER 2 MORE ENG OUT WARNINGS WERE SHOWN IN THE COCKPIT. A SAFE SINGLE ENGINE LANDING WAS ACCOMPLISHED. POST FLIGHT ANALYSIS OF THE DOWNLOADED ENGINE DATA REVEALED THAT THE ENGINE SHUTDOWN APPEARED TO BE COMMANDED AND LIKELY FOLLOWED A COMMANDED AUTOFEATHER EVENT. THE ENGINE AUTOFEATHER UNIT WILL BE REPLACED AND SENT FOR INVESTIGATION.