What was found
FA C ON DECENT TO CHS SMELT A BURNING SMELL ON LANDING. FLYING TO BWI ON LANDING AND TAXI SMELT A BURNING CHEMICAL SMELL AGAIN THAT LASTED 10 MIN. -FOLLOWED TSM 05-50-00-810-831-A INSPECTED APU AND BOTH ENG OIL LEVEL. OIL LEVEL GOOD. INSPECTED APU INLET. NO CONTAMINATION OF OIL OR HYD FLUID NOTED. DUE TO LACK OF INFOMATION, RAN APU AND BOTH ENGS ON PACK 1 AND 2 TO IDENTIFY CAUSE, TYPE, AND STRENGTH OF ODOR. DID NOT SMELL ODOR DURING CHECKS. CONT. ON L/P 3404584-2