As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/O FD WARNING FLAG ILLUMINATED. ACFT GROUNDED. CYCLED F/O'S FCC DC CIRCUIT BREAKER AND F/O'S FD SYSTEM TESTED IAW MM 22-11-00 AND ALL TEST OPS CK GOOD. NO FLAG IN VIEW. DFCS LRU INTERFACE TEST FOR FCC TESTED IAW MM 22-11-33 AND TEST GROUP 35 AND 49. ALL OPS CK NORMAL. HGS SENSOR TEST FOR BOTH FCC/AT OPS CHECKED GOOD IAW MM 34-36-00-5.