What was found
ON LANDING ROLL, SPOILER HANDLE CAME BACK, SPOILERS DEPLOYED. BLUE SPOILER EXTEND LIGHT CAME ON, THEN WENT OUT. SPOILER EXTEND LIGHT TESTED, BUT LIGHT WOULD NOT COME ON WITH MANUAL SPOILER EXTENSION. FOUND GROUND SPOILER PULLEY BRACKET IN RIGHT WHEEL WELL AND CRANK ASSEMBLY BROKEN IN THE RIGHT WING OF AFT AREA OF GROUND SPOILER. REPLACED PULLEY BRACKET IN RIGHT WHEEL WELL AND CRANK ASSEMBLY NR 1 IN AFT WING AREA IAW DC-8 AMM 27-60-00 AND RE-RIGGED GROUND SPOILERS IAW DC-8 AMM 27-60-00-5-0101. OPS CHECKED GOOD.