▁damage ▁was ▁discovered ▁in ▁June ▁ 2 0 1 5 . ▁ ▁On ▁May ▁ 1 8 , ▁ 2 0 1 5 , ▁W SD OT ▁reported ▁to ▁the ▁Seattle ▁City ▁Council ▁that ▁the ▁damage ▁to ▁the ▁bearing ▁and ▁se als ▁was ▁worse ▁than ▁had ▁been ▁previously ▁reported . ▁Further ▁ins pection ▁after ▁the ▁cutting ▁head ▁was ▁removed ▁and ▁dis ass emble d ▁showed ▁damage ▁to ▁the ▁cut ter ▁head ▁drive ▁g ears , ▁so ▁a ▁new ▁estimate ▁of ▁the ▁repair ▁time ▁and ▁cost ▁was ▁prepared . ▁ ▁The ▁front ▁end ▁of ▁the ▁machine ▁was ▁lower ed ▁back ▁into ▁the ▁access ▁pit ▁for ▁re assembly ▁in ▁a ▁four - l ift ▁process ▁beginning ▁with ▁the ▁rep a ired ▁cut ter ▁drive ▁on ▁August ▁ 2 4 , ▁ 2 0 1 5 . ▁ ▁In ▁June ▁ 2 0 1 5 , ▁Seattle ▁T unnel ▁Part ners ▁su ed ▁to ▁force ▁ins ur ers ▁to ▁p ayout ▁on ▁the ▁$ 8 5 ▁million ▁ins urance ▁policy ▁to ▁cover ▁rep airs ▁needed ▁after ▁Ber tha ' s ▁cutting ▁teeth ▁were ▁dam aged ▁in ▁a ▁collision ▁with ▁a ▁steel ▁pipe ▁in ▁December ▁ 2 0 1 3 . ▁In ▁August ▁ 2 0 1 5 , ▁a ▁cons ort ium ▁of ▁eight ▁ins ur ers ▁file d ▁a ▁law suit ▁against ▁S TP ▁in ▁order ▁to ▁avoid ▁a ▁$ 1 4 3 ▁million ▁p ayout ▁to ▁cover ▁the ▁cost ▁of ▁rep airs ▁to ▁the ▁b oring ▁machine . ▁The ▁ins ur ers ▁claimed ▁that