What was found
DURING CLIMB, LANDING GEAR FAILED TO RETRACT, LEVER STOPPED AT THE OFF POSTION. RIGGED GROUND SPOILER INTERLOCK VALVE CABLE, PERFORMED SATISFACTORY LANDING GEAR CONTROL SYSTEM TEST/GEAR SWINGS, & PERFORMED SATISFACTORY GROUND SPOILER INTERLOCK VALVE FUNCTIONAL TEST IAW AMM 27-62-00, AMM 32-31-00, AND AMM 27-62-61-400-803. NO DEFECTS NOTED.