As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH F/D FLAG DISPLAYED. ACFT GROUNDED. FOUND BOTH F/D FLAG IN VIEW AND MCP FROZEN AND NO ACCESS TO DFCS BITE PAGE. CYCLED BOTH DFCS CIRCUIT BREAKERS AND F/D FLAG WENT OUT OF VIEW. BOTH F/D SYSTEM BITE TEST ACCOMPLISHED IAW FIM 22-11, TASK 801, ALL OPS CHECKED GOOD. HGS SENSOR PAGE FOR BOTH FCC NORMAL REF MM 34-36-00-5.