As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/O FD FLAG IS SHOWING. ACFT GROUNDED. FOUND AFCS B, FCC, DC CIRCUIT BREAKER OUT. CHECKED BEHIND P6-2 FOR CONTAMINATION OR DEFECTS, NONE NOTED. RESET CIRCUIT BREAKER IAW MM 20-60-01. AFCS B OPS NORMAL REF MM 22-11-00 LRU REPLACEMENT TESTS.