Service difficulty report · Autopilot Sys · Boeing 737890

Difficulty date
January 20, 2015
Submitted
January 23, 2015
Operation
Air carrier
Aircraft
N583AS
Make and model
Boeing 737890
Aircraft serial
35681
Aircraft time
28,629 hours, 8,510 cycles
Part
Autopilot Sys
Condition
Malfunctioned
Stage of operation
AP
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

AUTOPILOT NR 2 WOULD NOT ENGAGE AFTER ABANDONING APPROACH DUE TO ACFT ON RUNWAY-IT WAS WORKING FINE UNTIL CIRCLING BACK FOR NEXT APPROACH. ACFT GROUNDED. FFR LOGGED A/P DISC SW INV & MAIN ELECTRICAL TRIM. COULD NOT DUPLICATE MALFUNCTION. BITE GROUP NR 20 NORMAL. LAND VERIFY NORMAL IAW BITE GROUP NR 49. HOUSINGS RTS NORMAL REF SMM 34-36-00. LWMP STATUS REMAINS "AUTOLAND & HOUSINGS" QUALIFIED. SCREW REFLECTS SAME.