As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAIN'S PFD HAS AN AMBER "FD" INDICATION. ALSO, THE MCP CAPT SIDE F/D ON SWITCH/LIGHT WILL NOT INDICATE ON WHEN SELECTED FIRST. ALSO, AUTOPILOT A WILL NOT ENGAGE. ACFT GROUNDED. DUE TO FAULTY GATE POWER FCC-A FAULTED. TRANSFERRED TO APU POWER. FCC-A RETURNED TO NORMAL. ACCOMPLISHED DFCA BITE TEST FOR CHANNEL A REF AMM 22-11-00. CURRENT STATUS AUTOTEST PASSED. ACFT OK FOR SERVICE.