As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT EN ROUTE EXPERIENCED DEPRESSURIZATION AT APPROXIMATELY 31000 FEET. O2 MASKS DEPLOYED, CREW O2 NOT DEPLETED. FLIGHT RETURNED MIA LANDED WITHOUT INCIDENT. AFTER LANDING A HOLE ON TOP OF AIRCRAFT JUST AFT OF LEFT NUMBER 1 ENTRY DOOR WAS DISCOVERED. AIRCRAFT CURRENTLY OUT OF SERVICE PENDING NTSB INVESTIGATION. SYSTEM GROUND CHECK NORMAL OPERATION.