Service difficulty report · Autoland Sys · Boeing 737990ER

Difficulty date
February 6, 2020
Submitted
February 11, 2020
Operation
Air carrier
Aircraft
N461AS
Make and model
Boeing 737990ER
Aircraft serial
36363
Aircraft time
23,246 hours, 7,465 cycles
Part
Autoland Sys
Condition
Malfunctioned
Stage of operation
LD
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

AUTOLAND FAIL. AIRCRAFT LEFT OF CENTERLINE. GROUNDED - YES. ACCOMPLISHED DFCS FAULT REVIEW AND CURRENT STATUS TEST, NO FAULTS ON LAST LEG, NO CURRENT STATUS FAULTS. ACCOMPLISHED LAND VERIFY TEST WITH NO FAULTS NOTED. REF B737-900 FIM 22-11 TASK 899. ACCOMPLISHED HGS SYSTEM TEST, NO FAULTS, REF SMM 34-36-00.