What was found
DEN - FLIGHT 4339, ON LIFT OFF, A RIGHT PACK TEMPERATURE CAUTION MESSAGE WAS RECEIVED. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE REPLACED THE HOT AIR SHUT OFF VALVE. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DEN - FLIGHT 4339, ON LIFT OFF, A RIGHT PACK TEMPERATURE CAUTION MESSAGE WAS RECEIVED. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE REPLACED THE HOT AIR SHUT OFF VALVE. AIRCRAFT RETURNED TO SERVICE.