Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
October 11, 2018
Submitted
October 12, 2018
Operation
Air carrier
Aircraft
N434AS
Make and model
Boeing 737990ER
Aircraft serial
61620
Aircraft time
10,448 hours, 3,417 cycles
Part
Unknown
Condition
Malfunctioned
Location
Autopilot Sys
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

CAT 3 APPCH AT 20 FT A/C DRIFTED RIGHT WHILE FLARING. DRIFT CONTINUED TO APPROX 60-70 FEET RIGHT OF CENTERLINE WHEN I DISCONNECTED AUTOPILOT. WIND ON RWY 16R WAS 05013. AFTER TOUCHDOWN ROLLOUT CAUTION ILLUMINATED IN HUD. APPROACH TO DISCONNECT WAS NORMAL AND ON SPEED. GROUNDED - YES. NO FAULTS DFCS BITE, LAND VERIFY TEST SUCCESSFUL PER AMM 22-00-01-730-807. (INBOUND CONDITION RELATED TO AUTOLAND). NO FAULTS HGS TEST, HGS SYSTEM TEST SUCCESSFUL PER AMM 22-00-01-730-808. (HGS CONDITION RELATED TO AUTOLAND)