As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN THE FLIGHT CREW RETRACTED THE LANDING GEARS THE RT MLG DID NOT INDICATE UP AND LOCKED. FLIGHT CREW EXTENDED THE LANDING GEARS AND RETURNED TO RDU. MAINTENANCE INSPECTED AND REMOVED AND REPLACED THE RT MLG UPLOCK BOX. PERFORMED A GEAR SWING AND SYSTEM OPS CHECKED GOOD.