As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE BEING VECTORED OUT OF DALLAS AIRSPACE, CREW STARTED GETTING MULTIPLE FAILURES-CHIP DETECTOR-ECM-OVER TORQUE-TRANSPONDER-OIL PRESSURE-COMM FAIL, CREW INFORMED ATC THEY NEEDED TO RETURN. EMERGENCY DECLARED BY ATC-AIRCRAFT LANDED AND RETURNED TO TERMINAL SAFELY-FAILURES WENT AWAY ABOUT THE TIME CREW CLEARED FOR THE APPROACH ON DECENT BACK INTO DALLAS