As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 4923 - EWR - AT MLG RETRACTION, CREW REPORTED THAT RT MLG RETRACTED FASTER THAN LF MLG CAUSING YAW MOTION TO THE RIGHT. EWR MX REMOVED AND REPLACED MLG ACTUATOR EXTENSION LINE AND BLEED THE SYSTEM. MX PERFORMED LG OPERATIONAL CHECK SUCCESSFULLY. ACFT PERFORMED FLIGHT TEST SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.