What was found
FUME EVENT IN CABIN. PERFORMED COM PROC. FUMES LINGERED IN DOORS 17-22 PACK 2 OFF PROC DIDNT HELP MUCH. NO ODOR IN C/P OR FWD SECTION OF A/C. THROUGH INSPECTED A/C FOR POSSIBLE CAUSE FOR FUME EVENT IAW TSM 05-50-00 NO SUCH SOURCE FOUND. AS PRECAUTIONARY MEASURES PREF PACK BURNOUT IAW 21-00-00 WITH BOTH ENGS IN ORDER TO CLOSELY AS POSSIBLE DUPLICATE PILOTS ORIGINAL COND. PUT A/C BACK TO ORIGINAL CONFIG. TO FURTHER ELIMINATE ALL POSSIBLE SOURCE, R/R SIDEWALL LIGHTING AT ROW 17-22 IAW 33-21-00. NO ARCING OF BALLAST OR LAMPS FOUND. A/C OK FOR SERVICE