As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACARS/FMC WONT CLEAR FROM PREVIOUS FLIGHT. ACFT GROUNDED. TROUBLESHOT IAW FIM 34-61 TASK 837, ENSURED NR 1 & 2 FMC CIRCUIT BREAKERS WERE SET, THIS SUCCESSFULLY CLEARED PREVIOUS FLIGHT AND ALLOWED NEW FLIGHT PLAN ENTERED. CHECKED GOOD FOR SERVICE.