SDR ASAA1159665

Service difficulty report · Unknown · Boeing 737890

Difficulty date: May 17, 2011
Submitted: May 24, 2011
Operation: Air carrier
Aircraft: N579AS
Make and model: Boeing 737890
Aircraft serial: 35187
Aircraft time: 15,967 hours, 4,781 cycles
System (JASC): 2210 · Autopilot System
Part: Unknown
Condition: Malfunctioned
Location: Cockpit
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: D

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

What was found

UPON MASTER RECALL SPEED TRIM FAIL AND MACH TRIM FAIL LIGHT ILLUMINATED LIGHTS EXTINGUISH WITH MASTER CAUTION RESET. FAILURE ON CHANNEL A SIDE RE-RACKED "A" FCC OPS CHECK GOOD MM REF 22 11 00 740 806 COMPUTER RE-RACK IAW REF 22 11 33. COMPLETED DFCS LRU INTERFACE TEST FOR FCC A AND LAND VERIFY TEST MM REF 22 11 33 AND 22 11 00 HGS TESTS GOOD IAW MM 34 36 00. AIRCRAFT REMAINS AUTOLAND AND HGS QUALIFIED.