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