As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A REPORTED BURNING RUBBER ODOR IN AFT GALLEY AREA. SHUTOFF OVENS, LIGHTS, IFE, RECIRC FANS. ODOR DISSAPATED. TURNED LIGHTS BACK ON AND STILL NO SMELL. T/S SYS. CHECKED LIGHTS OVENS IFE AND RECIRC FANS. FOUND LATCHED MSG FOR LOWER RT RECIRC FAN OVERHEATED. MX MSG 21-24700. DEACTIVATED LWR RT RECIRC FAN AND FWD TO MCO AND PLAC IAW MEL 21-25-01. ETOPS CATEGORY 'E': PROBLEMS WITH SYS CRITICAL TO ETOPS.