As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED- AFTER DEPARTURE, CREW RECEIVED A PTRIM MAIN INOP MASTER WARNING CAUTION. CREW RAN THE QRH AND DISCONNECTED THE MAIN SYS CUTOUT SWITCH AND DISCONNECTED THE AUTOPILOT. PER MAINTENANCE CONTROL AND MISSION CONTROL CREW RETURNED TO DALLAS WITHOUT FURTHER INCIDENT. CORR ACTION MX TROUBLESHOT TO BAD FO SIDE AP TRIM SWITCH. R&R'D SWITCH OPS TEST GOOD