Service difficulty report · Unknown · Boeing 737890

Difficulty date
July 19, 2011
Submitted
July 22, 2011
Operation
Air carrier
Aircraft
N531AS
Make and model
Boeing 737890
Aircraft serial
35199
Aircraft time
4,516 hours, 1,469 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

AUTOPILOT "B" CMD BUTTON. THE GREEN LIGHT THAT NORMALLY STAYS ILLUMINATED WHEN THE CMD BUTTON IS SELECTED IS NOW FLASHING. THE AUTOPILOT IS WORKING NORMALLY. ACCOMPLISHED DFCS LAND VERIFY TEST PER AMM PT II 22 11 00/201. ALL TESTS PASSED. VERIFIED "B" CMD BUTTON LIGHTING CAME ON SOLID DURING ENGAGEMENT.