What was found
WHEN GEAR WAS SELECTED UP, THE UNLOCK LIGHT REMAINED ON ACCOMPANIED BY THE HYDRALIC PRESSURE LIGHT. INSPECTED LANDING GEAR , NO DEFECS NOTED. PERFORMED GEAR SWINGS AND DUPLICATED PROBLEM, NOTICED LT MLG UPLOCK ACTUATOR SWITCH NOT CONTACTING UPLOCK HOOK WHEN GEAR IS RETRACTED CREATING AN UNSAFE INDICATION IN COCKPIT. INSPECTED UPLOCK HOOK AND ACTUATOR AND FOUND NO DEFECTS. FOUND UPLOCK HOOK SPRING ASSY DIRTY AND NOT ALLOWING HOOK TO RELEASE. CLEANED AND LUBURICATED UPLOCK HOOK ASSEMBLY AND PERFORMED GEAR SWINGS. OPS CHECKED GOOD, RESTORED AIRCRAFT TO ORIGINAL CONFIGURATION.