What was found
GEAR HANDLE WOULD NOT MOVE IN UP POSITION ON TAKEOFF, DOWNLOCK RELEASE BUTTON PRESSED, GEAR RETRACTED. LANDING GEAR RETRACTED BUT REMAINED IN TRANSIENT FOR A LONG PERIOD. NO EMERGENCY DECLARED, LANDED WITHOUT INCIDENT. R & R LANDING GEAR LEVER, PSEM 1, NIM 2, AND SPDA 1 DC POWER MODULE SLOT 13, PEFORMED MULTIPLE GEAR SWINGS, OPS CHECKED GOOD.