The correct Spell ID for Light Bomb on 10-man is 63018.
example
4/17 00:02:03.750 SPELL_AURA_APPLIED,0xF15000820D018DC3,"XT-002 Deconstructor",0xa48,0x038000000265F7CB,"Wengwei",0x514,63018,"Light Bomb",0x42,DEBUFF
The ID in there previously (63023) was the ID for the friendly fire damage that was triggered after the debuff was applied.
example
4/17 00:02:04.921 SPELL_DAMAGE,0x038000000265F7CB,"Wengwei",0x514,0x038000000265E6B7,"Janicena",0x514,63023,"Light Bomb",0x42,2750,0,66,0,0,0,nil,nil,nil
4/17 00:02:04.921 SPELL_DAMAGE,0x038000000265F7CB,"Wengwei",0x514,0x03800000026669AB,"Methodmann",0x512,63023,"Light Bomb",0x42,2200,0,66,0,0,550,nil,nil,nil
4/17 00:02:04.968 SPELL_DAMAGE,0x038000000265F7CB,"Wengwei",0x514,0x0380000002664BDE,"Stellos",0x512,63023,"Light Bomb",0x42,2745,0,66,0,0,0,nil,nil,nil