As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED CAPTAIN`S INSTRUMENTS FAILED ON FINAL APPROACH. ACCOMPLISHED GO-AROUND TO RESTART THE AUXILIARY POWER UNIT. EMERGENCY DECLARED LANDED DFW WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED X-TIE RELAY. REPLACED LEFT GENERATOR AND LEFT CONSTANT SPEED DRIVE. SYSTEM GROUND CHECKED NORMAL OPERATION.