As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW INFLIGHT T1550/17 JUN. RT AIR CONDITIONING SUPPLY TEMPERATURE HIGH INDICATION ON CLIMB. CREW REPORTED AN OVERHEAT SMELL. RETURNED TO DFW AND LANDED WITHOUT INCIDENT. REPLACED PRESSURE TRANSMITTER VALVE. SYSTEM GROUND CHECKED NORMAL OPERATION. (A)