What was found
MASTER WARNING ECAM LAV SMOKE DISAPPEARED AFTER 30 SECONDS UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. CREW REPORTED ECAM CLEARED ON ITS OWN. NO FAULTS ON ARRIVAL TO ACFT. VERIFIED NO SMELL IN ANY LAVS. SUSPECT PAX VAPING CAUSED WARNING. NO HISTORY. NO OTHER FAULTS ON PFR. REF TSM 24-00-00 FREEMAN, MIKE (V948891)CREW REPORTED ECAM CLEARED ON ITS OWN. NO FAULTS ON ARRIVAL TO ACFT. VERIFIED NO SMELL IN ANY LAVS. SUSPECT PAX VAPING CAUSED WARNING. NO HISTORY. NO OTHER FAULTS ON PFR. REF TSM 24-00-00.