Service difficulty report · Autoland Sys · Boeing 737990ER

Difficulty date
August 7, 2022
Submitted
August 11, 2022
Operation
Air carrier
Aircraft
N440AS
Make and model
Boeing 737990ER
Aircraft serial
41705
Aircraft time
33,000 hours, 10,449 cycles
Part
Autoland Sys
Part number
UNKNOWN
Condition
Migrated
Location
Unknown
Stage of operation
NR
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

ON CATIII AUTOLAND TO 34R IN SEA WITH CRITICAL AREA CLEAR AT 100', A/C DRIFTED TO RIGHT ON CENTERLINE AND WAS LINED UP WITH RUNWAY EDGE. A/C CORRECTED BACK TO CENTER LINE BUT GOT HIGH ON GLIDESLOPE AND OVER CORRECTED TO CAPTURE PROPER GLIDE PATH AND DID NOT FLARE AT CORRECT TIME. DISCONNECTED AP AND LANDED NORMALLY. GROUNDED - YES. ACCOMPLISHED DFCS BITE B737-900 FIM 22-11 TASK 801. NO CURRENT FAULTS FOUND. ACCOMPLISHED FIM 22-11 TASK 826. ALL TESTS PASSED.