What was found
LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. MX JACKED THE ACFT AND PERFORMED A GEAR RETRACTION AND EXTENSION TEST IAW MM 32-30-00. THE OPS CHECK WAS GOOD ON THE GROUND. SUBSEQUENT OPS CHECK FLIGHT WAS UNSATISFACTORY. MX REMOVED AND REPLACED THE MLG SQUAT SWITCH, DOWNLOCK SWITCH, AND HARNESS ASSY IAW MM 32-60-05. RII INSP COMPLIED WITH IAW. TASKCARD 4.3.8. FOUND TO BE SATISFACTORY. OPS CHECK FLIGHT WAS PERFORMED AND WAS SATISFACTORY.