Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
July 25, 2014
Submitted
July 29, 2014
Operation
Air carrier
Aircraft
N459AS
Make and model
Boeing 737990ER
Aircraft serial
36352
Aircraft time
1,374 hours, 434 cycles
Part
Fmc
Condition
Malfunctioned
Location
Cockpit
Stage of operation
CR
How discovered
O
Nature of condition
P
Precautionary procedure
O

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

What was found

DURING CRUISE, BOTH FMC'S WENT BLANK WITH VTK DISPLAY ON. BOTH PFDS - WENT BACK TO NORMAL WITHIN 1 MINUTE. ACFT GROUNDED. ACCOMP FIM TASK 34-61, NR 836, INTERMITTENT FAULT, SYS NOW OPS CKS NORMAL.