As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL WIRE BURNING ODOR IN AFT PART OF CABIN DURING DESCENT. QRH GALLEY POWER AND SIDEWALL LIGHTS TURNED OFF. ODOR DISSIPATED. MAINTENANCE TROUBLESHOT. NO ODORS NOTED. REPLACED COALESCER BAGS AND RECIRICULATION FAN FILTER. COMPLETED DUCT BURN OUT. ALL CHECKS GOOD.