As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FMC MESSAGE POPS UP AS FOLLOWS: "VERIFY THE FOLLOWING DATA LOADER IS POWERED * NO DISC IN DATA LOADER * SELECT SOURCE FMC ON DATA LOAD SELECT PANEL" SOURCE FMC SELECTED VIA THE FMC SOURCE SEL SWITCH. CYCLED SHIPS POWER AND MESSAGE CLEARED & DID NOT COME BACK. FMC NR 1 #2 NORMAL OPS.