Service difficulty report · Unknown · Boeing 737890

Difficulty date
March 9, 2019
Submitted
March 13, 2019
Operation
Air carrier
Aircraft
N587AS
Make and model
Boeing 737890
Aircraft serial
35684
Aircraft time
43,775 hours, 12,733 cycles
Part
Unknown
Condition
Malfunctioned
Location
Autopilot Sys
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

THE 'A' AUTO PILOT IS NOT WORKING. THE 'B' AUTOPILOT OPERATES NORMALLY. GROUNDED - YES. PERFORMED DFCS BITE PROCEDURE REF FIM 22-11 TASK 801. CURRENT STATUS SHOWED NO FAULTS. FAULT HISTORY HAD ONE OCCURRENCE OF FAULT #22-11251 AFCS ENGAGE INTLK ON LEG 14 (09 MAR 2019). PERFORMED LAND VERIFY TEST REF AMM 22-11-00 AND HGS SYSTEM TEST REF SMM 34-36-00 ALL TESTS PASSED. A/C APPROACH SURVEY COMPLETED. CLEARS MELS 22-1F AND 22-99B.