As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - FLT 96 - EN ROUTE ORD-MXP, DURNIG CRUISE DETECTED NOISE AND VIBRATION AT FORWARD FLOOR CABIN. DIVERTED JFK AND LANDED WITHOUT FURTHER INCIDENT. REINSTALLED UPPER CARGO DOOR SEAL RETAINER AT FORWARD CARGO DOOR. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)