SDR ASAA2014072008613

Service difficulty report · Autoland Sys · Boeing 737990ER

Difficulty date: July 20, 2014
Submitted: July 22, 2014
Operation: Air carrier
Aircraft: N440AS
Make and model: Boeing 737990ER
Aircraft serial: 41705
Aircraft time: 2,838 hours, 896 cycles
System (JASC): 2210 · Autopilot System
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 NOT SUCCESSFUL. AT APPROXIMATELY 75 FT, THE ACFT ROLLED TO THE RIGHT. DRIFTING RIGHT, CORRECTED BUT LANDED AWKWARDLY - DRIFTING BACK LEFT SLIGHTLY NOSE HIGH - CRITICAL AREAS PROTECTED. ACFT GROUNDED. NO FAULTS LOGGED IN FFR, DFCS, ACCOMPLISHED LAND VERIFY TEST IAW 22-11-00. HGS LOGGED 'ILS ANOMALY' LAST LEG, ACCOMPLIGH HGS OPS TEST IAW 34-36-00. ALL TESTS PASS, ACFT REMAINS CAT III AUTOLAND/HGS, SCREW REFLECTS SAME.