Service difficulty report · Autopilot Sys · Boeing 737890

Difficulty date
January 28, 2015
Submitted
February 2, 2015
Operation
Air carrier
Aircraft
N564AS
Make and model
Boeing 737890
Aircraft serial
35103
Aircraft time
31,673 hours, 9,780 cycles
Part
Autopilot Sys
Condition
Malfunctioned
Stage of operation
AP
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

AUTOPILOT WAS ENGAGED. SELECTED B FOR AUTOLAND, A AUTOPILOT THEN DISCONNECTED. RENGAGED A AUTOPILOT AND BOTH SHOWED ENGAGED BUT SINGLE CHANNEL ONLY. DISCONNECTED AND LANDED NORMALLY. ACFT GROUNDED. CURRENT STATUS DOES NOT SHOW ANY FAULTS. FLIGHT HISTORY DOES NOT HAVE ANY FAULTS LOGGED. ACCOMPLISHED LAND VERIFY TEST ON A & B CHANNELS. ALL TEST PASS REF TASK 22-11-00-700-801. ACFT REMAINS CAT IIIA AUTOLAND & HOUSINGS. VERIFIED STATUS PLACARD.