What was found
BURNING ODOR 2R, NO SMOKE. FOUND PLASTIC BUGS BURNT IN WARMING OVEN W31 CAUSED BURNING ODOR IN THE DOOR 2 AREA. REMOVED BUGS FROM OVEN. NEED TO CLEAN DEBRIS IN THE OVEN OR REPLACE ITSELF. CONSULTED WITH TOMC AND DEACTIVATED W31 OVEN PER MEL PROC. CREW ALSO CONFIRMED THE SITUATION AND READY TO FLIGHT. CLEANED W31 WARMER OVEN AND INSTALLED OVEN RACK ASY., OP'S CK W31. NO SMELL NOTED ON GROUND.