As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS - FLT 4479 - CREW SELECTED LANDING GEAR DOWN FOR LANDING AND REPORTED THAT THERE WAS NO DOWN AND LOCKED INDICATION FOR RIGHT MAIN GEAR. THE APPROACH WAS ABORTED AND CREW TESTED THE LANDING GEAR INDICATION SYSTEM. FOUND BOTH INDICATOR LIGHT BULBS FOR RIGHT GEAR WERE BURNED OUT. CREW REPLACED BOTH BULBS AND ALL INDICATION WAS NORMAL. (M)