Service difficulty report · Autoland Sys · Boeing 737900ER

Difficulty date
March 8, 2021
Submitted
March 16, 2021
Operation
Air carrier
Aircraft
N408AS
Make and model
Boeing 737900ER
Aircraft serial
41732
Aircraft time
30,369 hours, 9,715 cycles
Part
Autoland Sys
Condition
Malfunctioned
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

ON FINAL TO RWY 16R CAT III AUTOLAND, AIRCRAFT WAS WELL LEFT OF CENTERLINE ON SHORT FINAL. AIRCRAFT STARTED CORRECTING BACK TO CENTERLINE UNDER 50 FEET ABOVE RUNWAY AND ACTUALLY TOUCHED DOWN ON CENTERLINE BUT WAS HEADED BETWEEN 5 TO 10 DEG TO THE RIGHT REQUIRING POSITIVE (ALMOST AGGRESSIVE) LEFT RUDDER TO RETURN TO CENTERLINE. GROUNDED - YES. ACCOMPLISHED LAND VERIFY TEST PER B737-900 AMM TASK 22-11-00-700-801. ALL TESTS PASS.

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