As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON APPROACH TO TOL, DURING GEAR EXTENSION, THE RIGHT MAIN LANDING GEAR INDICATED UNSAFE. THE SECONDARY INDICATORS DID INDICATE DOWN AND LOCKED. THE AIRCRAFT LANDED AT TOL WITHOUT FURTHER DIFFICULTY. REMOVED AND REPLACED THE MLG ACCESSORY UNIT IAW MM. OPERATIONALLY CHECKS GOOD ON GROUND AND NO FURTHER DEFECTS NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)