As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. ON APPROACH, MAIN LANDING GEAR DOOR INDICATIONS ON EICAS. FOUND RIGHT MAIN GEAR DOOR DOWN AND RED GEAR DOOR UNSAFE LIGHT ON IN THE WHEEL WELL. REMOVED AND REPLACED MAIN LANDING GEAR EXTENSION HYDRAULIC FLOW FUSE IAW AMM 32-32-19-002-026. OPERATIONAL CHECK GOOD.