As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 FMC CDU BLANKED AND REINITIALIZED A MOMENT LATER ENROUTE. GROUNDED - YES. PERFORMED FMC BITE ON NR 2. FOUND ARINC RATE; NO HARDWARE FAULTS. SENSOR DATA GOOD. REF FIM 34-61 TASK 837. PERFORMED 4 C/B RESET, BOTH FMCS POWERED UP. OPS CHECK GOOD. REF FIM 34-61 TASK 804.