What was found
LAV SMOKE EICAS COMES ON FOR AFT LAVS WHEN HOT OVENS ARE OPENED. FOUND OVENS AT POSITIONS 411 AND 413 FILTHY AND UNCLEANABLE. OP'ED OVENS TO HOT AND OVENS SMOKE THE DIRT. REMOVED AND REPLACED OVENS AT 411 AND 413. OPS GOOD. ROTABLE PARTS CHANGE WAS INDICATED - TT 1423649, S/N OFF 00206, TT 1423983, S/N OFF 00378 OVEN, LARGE, SG OFF 99-2533-9-0002 0206 ON 99-2533-9-0002 0304 OVEN, LARGE, SG OFF 99-2533-9-0002 0378 ON 99-2533-9-0002 0203.