Service difficulty report · Autoland Sys · Boeing 737890

Difficulty date
August 2, 2021
Submitted
August 5, 2021
Operation
Air carrier
Aircraft
N560AS
Make and model
Boeing 737890
Aircraft serial
35179
Aircraft time
54,989 hours, 16,433 cycles
Part
Autoland Sys
Condition
Malfunctioned
Stage of operation
LD
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

AUTOLAND UNSUCCESSFUL. HGS OK. PRIOR TO AND DURING FLARE AIRCRAFT DRIFTED LEFT OF COURSE SIGNIFICANTLY AND AUTOPILOT HAD TO BE DISCONNECTED PRIOR TO TOUCHDOWN. ILS CRITICAL AREA WAS CLEAR. GROUNDED - YES. ACCOMPLISHED DFCS BITE PER B737-800 FIM 22-11 TASK 801 FAULT REVIEW FOUND DFCS FAULT 22-11822 ON LEG 14 PERFORMED FIM 22-11 TASK 811 INITIAL EVALUATION WITH NO CURRENT FAULTS. ACCOMPLISHED DFCS BITE GROUP #49 LAND VERIFY TEST PER B737-800 AMM 22-11-00-700-801, LAND VERIFY TEST PASSED.