As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN WOULD NOT PRESSURIZE AFTER TAKE-OFF. MAINTENANCE INSPECTED ALL DOOR SEALS WITH NO DEFECTS NOTED. PERFORMED OPERATION AND FUNCTION CHECKS OF MANUAL MODE IAW TASK CARD 21-31-00-720-002. MANUAL MODE OPERATES NORMAL. PERFORMED OPERATIONAL AND FUNCTION CHECK OF AUTO MODE IAW TASK CARD 21-31-00-720-023. AUTO MODE OPERATES NORMAL. NO FURTHER DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.