Service difficulty report · Autofeather Sys · Piagio P180

Difficulty date
May 28, 2012
Submitted
May 29, 2012
Operation
Air carrier
Aircraft
N149SL
Make and model
Piagio P180
Aircraft serial
1077
Aircraft time
7,337 hours, 5,547 cycles
Part
Autofeather Sys
Condition
Malfunctioned
Location
Right
Stage of operation
AP
How discovered
O
Nature of condition
S
Precautionary procedure
H

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

What was found

DURING APPROACH, CREW EXPERIENCED AN UNCOMMANDED AUTOFEATHER ON THE RT ENGINE. LANDED WITHOUT INCIDENT. AFTER LANDING, THE RT ENGINE WOULD NOT GO INTO BETA MODE. INSPECTED THROTTLE CABLE & LINKAGE FOR OBSTRUCTION & FREEDOM OF MOVEMENT IAW AMM 76-10-00. PERFORMED OPS CHECK OF CAM SWITCHS IAW AMM 76-11-00. PERFORMED AUTOFEATHER HIGH & LOW PRESSURE SWITCH FUNCTIONAL TEST IAW AMM 61-21-00. NO PROBLEM NOTED AT THIS TIME.