SDR ASAA2013060895035

Service difficulty report · Autoland Sys · Boeing 737890

Difficulty date: June 8, 2013
Submitted: June 11, 2013
Operation: Air carrier
Aircraft: N566AS
Make and model: Boeing 737890
Aircraft serial: 35182
Aircraft time: 24,618 hours, 7,492 cycles
System (JASC): 2210 · Autopilot System
Part: Autoland Sys
Condition: No Test
Stage of operation: AP
How discovered: C
Nature of condition: L
Precautionary procedure: O

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

What was found

PRACTICE AUTOLAND FAIL. NO WIND, STABLE APPROACH, APPROACH WARN APPEARED MOMENTARILY, FOLLOWED BY A BRIEF PITCH DOWN, THEN STABLE. SIGNAL AND PRESENTION APPEARED STABLE THROUGHOUT APPROACH UNTIL THE WARNING. ACFT GROUNDED. ACCOMPLISHED DFCS FLIGHT FAULT REVIEW, NO RELATED FAULT FOUND. PERFORMED LAND VERIFY TEST REF MM 22-00-01-730-801.