Service difficulty report · Autoland Sys · Boeing 737990ER

Difficulty date
June 9, 2015
Submitted
June 11, 2015
Operation
Air carrier
Aircraft
N402AS
Make and model
Boeing 737990ER
Aircraft serial
41189
Aircraft time
10,161 hours, 3,277 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 UNSUCCESSFUL. ACFT DRIFTED TO THE LT OF CENTER AT 100' AS 5 KNOT CROSSWIND DIED OFF TO ZERO AIII APP WARNING CAME ON AT 50 AGL. ILS CRITICAL AREA WAS CLEAR. ACFT GROUNDED. FAULT REVIEW SHOS NO FAULTS REF FIM 22-11 TASK 801. PERFORMED LAND VERIFY TEST REF MM 22-11-00/201, BITE GRP 49 ALL TESTS PASSED. PERFORMED HGS OPERATIONAL TEST, REF MM 34-36-00. ALL TESTS PASSED.