As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT - FLT 114 - RUSHNG AIR SOUND WAS HEARD COMING FROM THE MED BY F/A. CABIN BEGAN TO CLIMB. ACFT RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE MAIN ENTRANCE DOOR SEAL. PRESSURIZED AND OPERATIONS CHECK OK. (W)