Service difficulty report · Autoland Sys · Boeing 737990ER

Difficulty date
September 9, 2021
Submitted
September 10, 2021
Operation
Air carrier
Aircraft
N440AS
Make and model
Boeing 737990ER
Aircraft serial
41705
Aircraft time
29,438 hours, 9,452 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. AIRCRAFT LINED UP AND REMAINED APPROXIMATELY 50' LEFT ON CENTERLINE REQUIRING PILOT INTERVENTION. GROUNDED - YES. ACCOMPLISHED DFCS BITE TEST. NO FAULT FOUND. ACCOMPLISHED LAND VERIFY TEST. ALL LLM TESTS PASSED. REF B737-900 AMM 22-11-00.