As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK. FLIGHT CREW REPORTED RT WING/BODY OVERHEAT LIGHT ILLUMINATED AND AIRCRAFT WOULD NOT PRESSURIZE. AIRCRAFT RETURNED TO DEN AND LANDED WITHOUT INCIDENT. MAINTENANCE PLACARD THE RT PACK INOPERATIVE PER MEL 21-2 AND SUBSEQUENTLY REPLACED DAMAGED DUCT (APPROX 1.5 INCH DIAMETER HOLE WITH CRACKS) UPSTREAM OF THE RT PRIMARY HEAT EXCHANGER. PERFORMED OPERATIONAL TEST AND SYSTEM CHECKED OKAY.