What was found
FLT#623, JFK-LAX. INFLIGHT REPORTED "BURNING" ODOR IN FWD CABIN AND LATER REPROTED SAME ODOR IN AFT GALLEY IN "MIST" EVENT OCCURED JUST PRIOR TO LANDING; COMPLIED WITH INFORMATION NOTICE 2017-7015, STEP 1 ISOLATED FAULT TO TYPE 10, PER TSM 05-50-00-810-831-A AMBIENT AIR ODOR. CHECKED AND EXAMINED ALL RELATED CABIN EQUIPMENT. NO DEFECTSE NOTED. AIRCRAFT OK FOR SERVICE.