Service difficulty report · Autopilot Sys · Boeing 737890

Difficulty date
July 6, 2013
Submitted
July 9, 2013
Operation
Air carrier
Aircraft
N560AS
Make and model
Boeing 737890
Aircraft serial
35179
Aircraft time
26,250 hours, 8,058 cycles
Part
Autopilot Sys
Condition
Malfunctioned
Stage of operation
CR
How discovered
O
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

AFTER LEVEL IN CRUSE FL370 FOR APPROX 15 MINUTES WITH A AUTOPILOT ENGAGED, AUTOPILOT DISENGAGED. AFTER ENGAGING "A" AUTOPILOT IT SEEMED TO WORK. ACFT GROUNDED. BOTH AUTOPILOTS OPERATE NORMALLY, NO HISTORY 30 DAYS.