What was found
FLT 383, LGA-FLL, APPROXIMATELY 3 MINUTES PRIOR TO LANDING NR 1 F/A CALLED TO REPORT "BURNING SMELL" IN CABIN. NR 1 F/A TURNED OFF TV'S AND DID NOT SMELL IT AGAIN. BOTH PILOTS COULD SMELL THE SAME THING IN THE COCKPIT. ACCOMPLISHED AND PERFORMED CHECK AS PER TSM 23-39-00-810-801, ALL OPS CHECK OK, SYSTEM WORKING NORMAL.