Service difficulty report · Computer · Boeing 737990ER

Difficulty date
January 29, 2014
Submitted
January 31, 2014
Operation
Air carrier
Aircraft
N402AS
Make and model
Boeing 737990ER
Aircraft serial
41189
Aircraft time
4,940 hours, 1,595 cycles
Part
Computer
Part number
8221604101
Part serial
4096P4
Condition
Failed
Location
Flt Controls
Part time
4,922 hours, 1,589 cycles
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 RECALL, RECEIVED MASTER CAUTION FLIGHT CONTROLS OVERHEAD ANNUNCIATED SPEED TRIM FAIL MACH TRIM FAIL. CAPTAINS ADI HAS FD FLAG. OVERHEAD LIGHTS EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. FOUND CIRCUIT BREAKER TRIPPED ON P18-1 (D-1) WARNING LIGHT AND FCC A INOPERATIVE WITH FAULT 22-11303 LOGGED. REPLACED FCC A IAW MM 20-60-01. PERFORMED FCC LRU INTERFACE TEST AMM 22-11-00, BITE 35, ACCOMPLISHED LAND VERIFY MM 22-11-00, BITE 49, PERFORMED HEADINGS SENSOR TESTS FCC/AT SSM 34-36-00, ALL TESTS PASS.