What was found
FUME EVENT DESCENDING THROUGH 12,000. ACCOMPLISHED TSM 05-50-00-810-831-A, FOUND FCU ON APU LEAKING OIL. R&R FCU PACKING IAW 49-32-11. LEAK CHECK OK AND ACCOMPLISHED DECONTAMINATION OF THE ECS IAW AMM 21-00-00, R&R RECIRCULATION FILTERS IAW AMM 21-21-41 AND R&R OZONE FILTERS IAW AMM 21-51-41. NO CONTAMINTATION PRECENT AT THIS TIME A/C OK FOR SERVICE.