Service difficulty report · Autopilot Sys · Boeing 737890

Difficulty date
July 19, 2014
Submitted
July 22, 2014
Operation
Air carrier
Aircraft
N517AS
Make and model
Boeing 737890
Aircraft serial
35197
Aircraft time
21,494 hours, 6,469 cycles
Part
Autopilot Sys
Condition
Malfunctioned
Stage of operation
AP
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

DURING PRACTICE CAT III AUTOLAND, AUTOPILOT DISCONNECTED AT 2200 FT. ACFT GROUNDED. ACCOMPLISHED DFCS FAULT REVIEW AND LAND VERIFY TEST BITES 20 & 49. NO DEFECTS. ACFT REMAINS CATIIIA AUTOLAND + HGS QUALIFIED. VERIFIED LWMP PLACARD STATUS SCREW REFLECTS SAME.