What was found
WHILE IN CRUISE FLIGHT FL30, COMING INTO DFW, WE EXPERIENCED HEAVY MODERATE TURBULENCE. WHILE GOING THROUGH IT, WE STARTED TO SMELL IN THE COCKPIT, AND SOME PASSENGERS SMELL IT TOO IN THE CABIN.-C/A-PERFORMED INSP. FOR SMOKE/ABNORMAL SMELL IN CABIN/COKPIT - UNKNOWN SOURCE IAW FIM TASK 21-20-00-810-801-A. FOLLOWED BLOCK DIAGRAM TASKS. NO DISCREPANCIES NOTED.