As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2076 - EWR - CREW REPORTED GEAR WOULD NOT RETRACT. CREW PERFORMED AIR RETURN AND LANDED UNEVENTFULLY. EWR MX SERVICE THE NOSE LANDING GEAR STRUT AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. AIRCRAFT WAS APPROVED TO RETURN TO SERVICE.