What was found
AFT CABIN REPORTS BURNING SMELL. NO SMOKE DETECTED AND OVERHEAD BINS CHECKED FOR HOTSPOTS POTENTIAL LIGHT BALLAST ISSUE BURNING SMELL SUBSIDED WITH LIGHT OFF-PERFORMED INSP IAW TSM 05-50-00-810-931A IN DISCUSSION WITH CABIN CREW SMELL WAS ISOLATED TO AFT ROW 26 AC R/H MX REMOVED PANEL AND INSPECTED WIRING , NO FAULTS OR EFECTS . NO SMELL PRESENT DURING OPERATION SUSPECT TYPE 10 ODOR RELATED TO PASSENGER OR THREIR ITEMS