As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, PAX REPORTED A BURNING ODOR. OTHER PAX REPORTED NOISES IN THE OVERHEAD BETWEEN DOOR 2L & 2R. CREW SHUT OFF THE UPPER RECIRCULATION FANS, ODOR THEN DISSIPATED. MX INSPECTED THE AREA & REPLACED A RECIRC FAN AND CONNECTOR. OPS CHECK WAS GOOD.