Service difficulty report · Warning Message · Boeing 737990ER

Difficulty date
December 7, 2013
Submitted
December 9, 2013
Operation
Air carrier
Aircraft
N403AS
Make and model
Boeing 737990ER
Aircraft serial
41730
Aircraft time
4,377 hours, 1,398 cycles
Part
Warning Message
Condition
False Activation
Location
Fmc
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

APPROXIMATELY 20 NAUTICAL MILES PRIOR TO TOD, LT FMC FAILED WITH VTK ON CAPTAIN`S MAP DISPLAY. FMC BOTH ON RT IAW QRH. ACFT GROUNDED. LT FMC WAS INOPERATIVE ON ARRIVAL, CYCLED CIRCUIT BREAKER, OPS RESTORED. ACCOMPLISHED FMC OPS TEST IAW 34-61-00, SYS CHECKED NORMAL.