What was found
RIGHT MLG LANDING GEAR EXTENSION: AMBER GEAR DISAGREE R ON EXTENSION INTO LAS. RAN QRH WITH NO SUCCESS. CORRECTIVE ACTION: AFTER INSPECTING RH MLG ASSY, FOUND RH MLG UPLOCK SWITCH TO BE FUALTY. REMOVED FAULTY RH MLG UPLOCK SWITCH AND INSTALLED A CUSTOMER SUPPLIED NEW MLG UPLOCK SWITCH. PERFORMED OPS CHECK. OPS CHECK ARE GOOD WITH NO DEFECTS NOTED. ALL DONE IN REF TO CE-680A AMM 32-32-25. PN OFF/ON: 6948101-3, SN OFF/ON: N/A