SDR ASAA2013062295241

Service difficulty report · Flight Dir · Boeing 737890

Difficulty date: June 22, 2013
Submitted: June 25, 2013
Operation: Air carrier
Aircraft: N518AS
Make and model: Boeing 737890
Aircraft serial: 35693
Aircraft time: 16,945 hours, 5,108 cycles
System (JASC): 2210 · Autopilot System
Part: Flight Dir
Condition: Malfunctioned
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

ON TAXI OUT, LEFT NAV WOULD NOT ARM. ACFT GROUNDED. ACCOMPLISHED FLT FAULT REVIEW, GRP BITE 10, NO FAULTS LOGGED. ACCOMPLISHED FLT DIRECTOR TEST, GRP BITE 12, ALL TEST PASSED. ACCOMPLISHED LAND VERIFY TEST, GRP BITE 49, ALL TEST PASSED REF MM 22-00-01. ACFT REMAINS CATIII A, AUTOLAND AND HGS, SCREW REFLECT SAME. NO HISTORY 90 DAYS.