What was found
AIRCRAFT ALTITUDE 10K AND CABIN ALTITUDE 8.4K. CARGO HEAT AND OUTFLOW VALVES CLOSED. COULD NOT MAINTAIN PRESSURE. DIVERTED BACK TO DEN.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT ALTITUDE 10K AND CABIN ALTITUDE 8.4K. CARGO HEAT AND OUTFLOW VALVES CLOSED. COULD NOT MAINTAIN PRESSURE. DIVERTED BACK TO DEN.