What was found
VTK ANNUNCIATION ON NR 1 NAV DISPLAY, AND SUBSEQUENTLY ON NR 2 NAV DISPLAY. BOTH FMC PROMPTS ABSENT. ACFT GROUNDED. ACCOMPLISHED FMC BITE IAW FIM 34-61, TASK 801 FMCS SENSORS NO FAULTS, INFLT FAULTS ON FMC R, FMC LEFT AND RIGHT LOGGED B ON LAST LEG WITH ASSOCIATED ACARS R. PRESSED 300 FOR INFLT FAULTS FMC-R PROGRAM FAULT, FMC-L PRES LAT RATE, ACARS-MU NO RESP/ALO FAULTS IN LAST LEG. ACCOMPLISHED FIM 34-61, TASK 807 FOR FMC'S NR 1 AMD 2 PGM FAULT LOGGED. NO CURRENT FAULTS ON FMC'S NR 1 AND 2. IAW AMM FIM 34-61 TASK 837 STEP G(4)(A) FOR FMC'S WITH U11.0.