SDR MTNA042220140001

Service difficulty report · Autofeather Sys · Aerosp ATR72212

Difficulty date: April 22, 2014
Submitted: April 29, 2014
Operation: Air carrier
Aircraft: N802FX
Make and model: Aerosp ATR72212
Aircraft serial: 344
Aircraft time: 34,287 hours, 37,687 cycles
Engine: Pwa PW127
System (JASC): 6123 · Propeller Feathering/Reversing
Part: Autofeather Sys
Condition: Malfunctioned
Location: Nr 1
Stage of operation: CR
How discovered: O
Nature of condition: R, J
Precautionary procedure: A

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

What was found

DURING CRUISE, NR 1 ENGINE NP DROPPED TO 30 PERCENT, TORQUE DROPPED TO ZERO, ALL OTHER ENGINE PARAMETERS WERE NORMAL. DECLARED AN EMERGENCY & MADE A UNEVENTFUL LANDING. REPLACED THE NR 1 AUTO FEATHER UNIT. THE SYS CHECKED GOOD IAW MM JIC 61-22-00 OPT 10010.

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