Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
May 2, 2017
Submitted
May 4, 2017
Operation
Air carrier
Aircraft
N409AS
Make and model
Boeing 737990ER
Aircraft serial
41733
Aircraft time
17,064 hours, 5,612 cycles
Part
Unknown
Condition
Malfunctioned
Location
Autopilot Sys
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. AIRCRAFT ABRUPT FLARE AND DRIFTED LEFT OUTSIDE OF LIMITS OUTLINED IN FLIGHT HANDBOOK. PILOT INTERVENTION REQUIRED. GROUNDED - YES. DFCS NR 1 AND NR 2 DID NOT LOG ANY FAULTS. PERFORMED FIM 22-11 TASK 825. LAND VERIFY TEST NORMAL, REF AMM 22-11-00. HGS SYSTEM TEST NORMAL, REF SMM 34-36-00. A/C REMAINS CAT IIIA AUTOLAND/HGS, STATUS SCREW REFLECTS SAME.