As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MDT - FLT 6021 THE CREW REPORTED A LOUD NOISE INFLIGHT UNDER FLOOR ASSOCIATED WITH PACK NR 2. THEY ALSO REPORTED A CABIN PRESSURE DROP. THE AIRCRAFT DIVERTED INTO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND RECONNECTED THE DUCT ON NR 2 PACK SYSTEM BETWEEN THE AIR CYCLE MACHINE AND HEAT EXCHANGER. OPERATIONAL CHECKS WERE GOOD.