Unit 5606-6606 , which had been used for various equipment trials , was scrapped in December 1994 . Cars 6505 and 6713 were damaged in the 7 July 2005 London bombings and were scrapped above the solebar . The remains were used in the building of new cars 6606 ( the second car with this number ) and 6734 as C08 stock . They were paired with 5505 and 5713 , renumbered 5606 and 5734 to match their partners . 5548 +6548 were rebuilt in part following the bombings
7 July 2005 London bombings
7 July 2005 London bombings
London Underground C69 and C77 Stock