Service difficulty report · Autopilot Sys · Boeing 737890

Difficulty date
October 27, 2015
Submitted
November 2, 2015
Operation
Air carrier
Aircraft
N514AS
Make and model
Boeing 737890
Aircraft serial
35193
Aircraft time
27,079 hours, 8,235 cycles
Part
Autopilot Sys
Condition
Inoperative
Stage of operation
NR
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

CMD A AUTOPILOT WILL NOT ENGAGE. ACFT GROUNDED. ACCOMPLISHED DFCS BITE FAULT REVIEW. NO FAULTS LOGGED FOR LAST 5 LEGS. REF FIM 22-11, TASK 801. DFCS CURRENT STATUS TEST PASSED. PERFORMED DFCS GROUP 11 AUTOPILOT AND GOUP 47 LRU REPLACEMENT TEST FOR PITCH SENS. IAW AMM 22-00-01. TESTS PASS.