As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED TOP 8" OF SERVICE DOOR SEAL DETACHED IN FLIGHT. MADE A VERY LOUD NOISE. CREW DIVERTED AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED, REATTACHED SERVICE DOOR SEAL AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.