What was found
FLIGHT 5091 - AFTER TAKEOFF LOUD NOISE COMING FROM MAIN CABIN DOOR, PRESSURIZATION WOULD NOT WORK 43 PSI AND CABIN WAS CLIMBING. AIRCRAFT RETURNED TO CVG AND LANDED SAFELY. REMOVED AND REPLACED PAX DOOR SEAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 5091 - AFTER TAKEOFF LOUD NOISE COMING FROM MAIN CABIN DOOR, PRESSURIZATION WOULD NOT WORK 43 PSI AND CABIN WAS CLIMBING. AIRCRAFT RETURNED TO CVG AND LANDED SAFELY. REMOVED AND REPLACED PAX DOOR SEAL.