What was found
AFTER BLOCK IN, F/A STATED IN THE BACK OF THE CABIN THERE WAS A DIRTY SOCK ODOR WHILE ON SHORT FINAL. PILOTS DID NOT NOTICE THE ODOR. ACCOMPLISHED A FAULT ISOIATION PROCEDURE IAW TSM 05-50-00-810-831-A. INSPECTED COWLING, NO OIL LEAKS NOTED. NO ODOR NOTED IN CABIN. ACFT OK TO CONTINUE SERVICE.