What was found
FUME EVENT DURING APPROACH ABOUT 10 MINUTES BEFORE LANDING-PERFORMED TSM 05-50-00-810-831. INSPECTED APU FOR SIGNS OF OIL, NO OIL FOUND. INSPECTED ENG NR 1 & NR 2 FOR OIL LEAKAGE, NO DEFECTS NOTED. PERFORMED PRE CONDITIONARY WITH APU IAW AMM 12-13-21. NO SMELL NOTED AT THIS TIME. A/C OK FOR CONTINUED SERVICE.