As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT MAIN GEAR WOULD NOT COME UP. SYSTEM-A TRANSIT LIGHT STAYED ILLUMINATED. CYCLED GEAR WITH NO EFFECT. RETURNED TO SMF. REPLACED RIGHT MAIN LANDING GEAR UPLOCK PROXIMITY SWITCH WITH A SERVICEABLE UNIT AND SWUNG GEAR NUMEROUS TIMES, OPS CHECKS GOOD.