As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 2140 DURING APPROACH RIGHT MAIN GEAR GREEN DOWN LIGHT DID NOT ILLUMINATE WHEN GEAR WAS EXTENDED. GEAR CONFIRMED DOWN THROUGH ALTERNATE EXTENSION LIGHTS. RIGHT MAIN GEAR DOWN LIGHT WILL NOT TEST. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED RIGHT HAND MAIN LANDING GEAR DOWN INDICATION BULBS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.