Service difficulty report · Autoland Sys · Boeing 737990ER

Difficulty date
July 15, 2017
Submitted
July 25, 2017
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
13,810 hours, 4,563 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

AUTOLAND UNSUCCESSFUL DUE TO LEFT OF CENTERLINE DURING APPROACH. ACFT GROUNDED. ACCOMPLISHED MAINTENANCE PRACTICE FOR LLM SPECIAL CONDITION, INBOUND CONDITION RELATED TO AUTOLAND IAW AMM 22-00-01-730-807, ALL TESTS PASSED. ALSO PERFORMED HGS SYSTEM TEST IAW SMM 34-36-00, ALL TESTS PASSED.