SDR ASAA2019012127892

Service difficulty report · Unknown · Boeing 737890

Difficulty date: January 21, 2019
Submitted: January 25, 2019
Operation: Air carrier
Aircraft: N560AS
Make and model: Boeing 737890
Aircraft serial: 35179
Aircraft time: 47,435 hours, 14,254 cycles
System (JASC): 2210 · Autopilot System
Part: Unknown
Condition: Malfunctioned
Location: Autoland 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

ON PERFORMING AUTO LAND HGS, AUTO LAND PORTION UNSUCCESSFUL. AIRPLANE DRIFTED WELL OUTSIDE OF TOLERANCES TO THE LEFT APPROX 50 FEET, DISCONNECTED AUTO PILOT AND LANDED HGS PORTION APPEARED SUCCESSFUL. GROUNDED - YES. ACCOMPLISHED MAINT PRACTICE FOR LLM SPECIAL CONDITION- INBOUND CONDITION RELATED TO AUTOLAND REF AMM 22-00-01-730-807. NO FAULTS WERE LOGGED AND ALL TESTS PASSED DURING LAND VERIFY TEST, GRP #49, REF AMM 22-11-00/201. GROUND VERIFICATION SUCCESSFUL.