As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL - FLT 1535 - UPON GEAR RETRACTION, CREW RECEIVED THE EICAS MESSAGES 'GEAR DISAGREE' AND 'GEAR DOORS', AND THE ASSOCIATED AMBER LIGHTS. CREW RECYCLED THE GEAR, AND HAD THE SAME INDICATIONS. FLIGHT RETURNED TO PHL AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT MAIN LANDING GEAR ACTUATOR. (M)