As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK TO SEA: AFTER TAKEOFF ON FLT 7076 AIRCRAFT GEAR LEVER WOULD NOT UNLOCK AND ALLOW THE GEAR TO RETRACT. CREW RETURN TO SEA AND LANDED WITHOUT INCIDENT. REMOVED AND REPLACED THE LANDING GEAR LEVER. AIRCRAFT RETURNED TO SERVICE.