As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL - FLT 328 - CREW LOST PRESSURIZATION AT 33,OOO FEET. CREW DESCENDED TO 10,000 FEET. FLIGHT LANDED WITH NO FURTHER INCIDENT. MAINTENANCE FOUND THE FORWARD CARGO DOOR SEAL LEAKING. THE DOOR SEAL WAS REPLACED. AIRCRAFT WAS PRESSURIZED WITH LEAK RATE CHECKING OK AND DOOR CHECKING OK. (M)