As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A REPORTED THE ODOR OF BURNING INSULATION BETWEEN DOOR 3 L-R & 2 L-R. RAN THE SMOKE FIRE, OR FUMES CHECK LIST. ODOR CLEARED ON & TOTALLY AFTER 2.5 MINUTES. CONTACTED MX CONTROL & DISPATCH VIA SATCOM. INSPECTED CEILING LT, LAV LT AND BALLAST, DOOR HEATER, IFE SYS WITH POWER ON. RECIRCULATION FAN WITH BREED ON IAW MM TASK 05-51-58-800-801C3. FOUND LOWER LT RECIRC FAN FAULT.