What was found
RT MAIN GEAR UPLOCK FAILED. HAD A GEAR UNLOCK LIGHT ON WITH A HYDRAULIC PTRS ON LIGHT. RAN THE HYDRAULIC PRES ON CK LIST AND WHEN WE PULLED THE GEAR CONTROL (CB) AS DIRECTED THE RT MAIN GEAR EXTENDED. THE GEAR HANDLE WAS THEN PLACED IN THE GEAR DOWN POS. RESET THE (CB) AND GOT 3 GREEN LIGHTS, NO DIVERT. REMOVED FAULTY RT MAIN GEAR UPLOCK SWITCH P/N S430087. INSTALLED NEW SWITCH P/N 65430087. OP CHECK GOOD, ALL WORK PERFORMED IAW CESSNA CE-560 MAINT MANUAL CHAP'S 32-61-00 AND 32-60-00, FOR DETAILS REF FAS W/O 07-183