SDR ASAA1158934

Service difficulty report · Unknown · Boeing 737890

Difficulty date: January 29, 2011
Submitted: February 2, 2011
Operation: Air carrier
Aircraft: N531AS
Make and model: Boeing 737890
Aircraft serial: 35199
Aircraft time: 2,658 hours, 859 cycles
System (JASC): 2210 · Autopilot System
Part: Unknown
Condition: Malfunctioned
Location: Autoland Sys
Stage of operation: LD
How discovered: O
Nature of condition: J
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING AUTOLAND "NO FLARE ARMED" DISENGAGED CAPT'S AUTOPILOT. HGS AIII NORMAL ROLLOUT ARMED ANNUNCIATED. PERFORMED FIM 22 11 TASK 801 BITE GROUP 20 "FAULT REVIEW" AND 22 11 00 PG 201 BITE GROUP 49 "LAND VERIFY TEST" FAULT REVIEW LAST 10 LEGS ONLY HAD ONE GLIDESLOPE FAULT IN FLIGHT LEG NR 2 OTHER LEGS HAD NO FAULTS (CHANNEL A & B). LAND VERIFY TEST PASSES. FAULT NOT CONFIRMED NO HISTORY LAST TEN DAYS.