Service difficulty report · Computer · Boeing 737890

Difficulty date
December 14, 2014
Submitted
December 16, 2014
Operation
Air carrier
Aircraft
N589AS
Make and model
Boeing 737890
Aircraft serial
35686
Aircraft time
26,874 hours, 8,263 cycles
Part
Computer
Part number
8221604101
Part serial
16YP41
Condition
Failed
Location
Flt Control
Part time
26,867 hours, 8,259 cycles
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

CAPTAIN`S FLIGHT DIRECTOR LIGHT ON AUTOPILOT PANEL INOPERATIVE, FD, FLAG ON CAPT ADI. CB P-18 D-1, WARN LIGHT (BAT), POPPED. ACFT GROUNDED. REPLACED FCC A COMPUTER, COMPUTER DEAD, REF MM 22-11-33-400-801. SOFTWARE CHECK GOOD IAW SAME IAW MM 20-60-01 CIRCUIT BREAKER, WARN LIGHT, BAT, RESET. ALL REQUIRED LWMP TESTS PERFORMED REF MM 22-11-33/401, 22-11-00/201, BITE GRP 35, 49, LAND VERIFY, HGS TEST REF SMM 34-36-00. ALL PASSED. GROUND VERIFICATION GOOD. LWMP CAT STATUS REMAINS CATIIIA AUTOLAND/HGS QUALIFIED, PLACARD SCREW VERIFIED SAME.