What was found
RETRACTED THE LANDING GEAR AFTER TAKEOFF, RECEIVED LANDING GEAR WARNING AND ALL 3 RED UNSAFE LIGHTS WITH GEAR HANDLE UP. POM PROCEDURES CYCLED GEAR, NO HELP. GEAR HANDLE UP, 3 RED WARNING LIGHTS, GEAR DETERMINED TO BE UP. INSPECTED GEAR SYSTEMS, NO TROUBLE FOUND. ON SUBSEQUENT OCCURENCE INSPECTION, FOUND S1-320 SWITCH BAD IN RT THROTTLE SWITCH PACK R AND R RT SWITCH PACK AND ADJ PER MM, GEAR SWING NORMAL.