What was found
CRACKLING SOUND AND FLICKERING INDICATOR LIGHTS SEAT BELT & NO SMOKING PRESENTED ON PUSHBACK. TURNED OFF SEAT BELT SIGN AND BACK ON, FLICKERING STOPPED BUT FA SMELLED BURNING WITH SIGN TURNED OFF, ODOR DISSIPATED. AFTER RTB, ALL CABIN LIGHTING NORMAL. NO IFE OR PED DEFECTS NOTED. OPENED PSU PANELS IN AREA OF REPORTED ODOR IAW AMM 25-25-41 FOR INSPECTION. NO EVIDENCE OF BURNING OR ODOR FOUND. T/S IAW AMDS W/C 0550-2001. NO ODOR NOTED. ALL COMPONENTS & LIGHTING WORKED GOOD. PERFORM LEVEL A DECONTAMINATION OF ECS IAW AMM 21-00. NO ISSUES NOTED. ACFT OK FOR SERVICE. (LP: 8515240)