Service difficulty report · Autoland Sys · Boeing 737990ER

Difficulty date
December 8, 2017
Submitted
December 11, 2017
Operation
Air carrier
Aircraft
N459AS
Make and model
Boeing 737990ER
Aircraft serial
36352
Aircraft time
15,043 hours, 4,969 cycles
Part
Autoland Sys
Condition
Malfunctioned
Stage of operation
LD
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

AUTOLAND UNSATISFACTORY. AUTOPILOT ATTEMPTED TOUCHDOWN OUTSIDE OF TOLERANCE TO THE LEFT OF CENTERLINE. HGS SYSTEM OPERATED NORMALLY. CONFIRMED CRITICAL AREA OF RUNWAY 16R WAS CLEAR. GROUNDED - YES. COMPLETED B737-900 AMM TASK 22-00-01-730-803, OPS NORMAL. THIS CLEARS MEL 22-20B, 22-99B, AND 22-99C. NO FAULTS NOTED.