As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LG WOW SYS FAIL MESSAGE DISPLAYED AFTER LANDING GEAR RETRACTION. RETURNED TO FIELD AND DECLARED AN EMERGENCY. LANDED WITHOUT INCIDENT. NOSE GEAR ALREADY ON DMI FOR LEAKING, SPARE SEAL HAD BEEN ACTIVATED. MAINTENANCE REPACKED THE NLG STRUT AND THE LEAK CONTINUED. MAINTENANCE REMOVED AND REPLACED THE NOSE LANDING GEAR.