What was found
FLT NR 190, LAS-JFK, BETWEEN 01:00-3:50Z AM, SMELLED SMOKE AT ROW 20, TURNED OFF LTV MASTER AND ODOR DISSIPATED. ACCOMPLISHED TSM 25-39-00-810-801. FOUND XEB AT 19 DEF WITH A STRONG POTENT BURNING ODOR. REMOVED AND REPLACED XEB AT 19DEF PER LTV MM 44-20-17. NO OTHER DISCREPANCIES NOTED. A/C OK FOR CONTINUED SERVICE.