What was found
(CAN)ON APPROACH WITH #1 POWER LEVER RETARDED TO FLIGHT IDLE, #1 ENGINE INDICATED 40 PERCENT TORQUE. IT TOOK ABOUT ONE MINUTE TO SLOWLY REDUCE TO ABOUT 20 PERCENT TORQUE. LEFT HAND FCU P3 DIAPHRAGM REPLACE D.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN)ON APPROACH WITH #1 POWER LEVER RETARDED TO FLIGHT IDLE, #1 ENGINE INDICATED 40 PERCENT TORQUE. IT TOOK ABOUT ONE MINUTE TO SLOWLY REDUCE TO ABOUT 20 PERCENT TORQUE. LEFT HAND FCU P3 DIAPHRAGM REPLACE D.