What was found
APU PANDA LIST HAS IDENTIFIED A PERSISTENT EXHAUST ODOR IN CABIN AND RECOMMENDS TROUBLESHOOTING IAW FIM 49-11 FT 895. UPDATE LOG WITH FINGINGS. CARRIED BY ELB PERFORMED FIM 49-11-4FT895, EXAMINED THE COMPRESSOR DISCHARGER AND BLEED AIR DUCT. FOUND NO OIL CONTAMINATANT. NO OIL LEAKAGE FROM APU. FOUND APU OIL OVER FILLED. PERFORMED APU OIL DRAIN IAW AMM 12-13-04. PER TECH SUPPORT REPLACED HEPA FILTER IAW AMM 21-25-02. RAN LT & RT PACK. FOUND NO EXHAUST FUME ODOR IN CABIN.