As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MOD - LANDING GEAR INDICATION FAILED TO INDICATE GEAR EXTEND ON INITIAL ATTEMPT. GEAR OPERATION NORMAL ON SUBSEQUENT ATTEMPT. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED RIGHT MAIN LANDING GEAR RADIUS ROD MICROSWITCH. LANDING GEAR POSITION INDICATIONS NORMAL DURING GROUND TEST. AIRCRAFT RETURNED TO SERVICE. (W)