Service difficulty report · Autofeather Sys · Aerosp ATR72

Difficulty date
November 9, 2015
Submitted
April 22, 2016
Operation
General aviation
Make and model
Aerosp ATR72
Engine
Pwa PW127
Part
Autofeather Sys
Condition
Malfunctioned
Location
Engine
Stage of operation
CR
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) WHILE CRUISING AT FL160, THE LT ENGINE POWER ROLLED BACK AND SELF-RECOVERED 10 SECONDS LATER. THE FLIGHT CONTINUED TO DESTINATION WHERE IT LANDED UNEVENTFULLY. TROUBLESHOOTING LED TO THE REPLACEMENT OF THE AUTO FEATHER UNIT, AFU, BEFORE THE ACFT WAS RETURNED TO SERVICE. THE OPERATOR HAS HAD REPEAT SIMILAR EVENTS ON HIS FLEET.