As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE CABIN PRESSURIZATION WAS LOST IN AUTO AND MANUAL. AN EMERGENCY DECENT WAS ACCOMPLISHED AND OXYGEN MASKS DID NOT DEPLOY. THE FLIGHT DIVERTED TO PIT AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE RT PACK PRESSURE AIR REHEATER SPLIT AND LEAKING BLEED AIR. REMOVED AND REPLACED PACK REHEATER, OPERATIONALLY CHECKED AND RETURNED TO SERVICE.