What was found
DE-ICE/VINEGAR SMELL IN CABIN ON T/O AND ON DESCENT SWITCH APU RUNNING. ACCOMPLISHED TSM 05-50-00-810-831-A FAULT ISOLATION FOR CABIN ODOR. INSPECTED APU COMPARTMENT FOUND NO LEAKS OR CONTAMINATION. OPERATION TEST OF APU AND ENGINES, IAW AMM 49-00-00/71-00-00. USED AEROTRACER TO CHECK FOR CABIN ODOR FOUND NO CONTAMINATION. R & R RECEP FILTERS FOR PRECAUTIONARY REASONS, IAW AMM 21-21-41. AIRCRAFT IS OK FOR SERVICE.