As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3257 - DIV - CREW TURNED OFF RT PACK PER QRH DUE TO HOT AND UNCONTROLLABLE CABIN DURING CLIMB. LT PACK WAS UNABLE TO MAINTAIN THE CABIN. DIVERTED TO TUL DUE TO EXCESSIVE CABIN ALTITUDE MESSAGE. CORRECTIVE ACTION: FOUND LT PACK WITH A RUPTURED SUPPLY AIR BELLOWS AND HOT AIR SWITCH WAS LEFT ON EVEN THOUGH IT WAS SUPPOSED TO OFF PER THE MEL. MAINTENANCE IN PROGRESS. (LP: 7435206)