As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NOSE GEAR RED UNSAFE LIGHT REMAINED ILLUMINATED AFTER GEAR WAS RETRACTED. CYCLING THE GEAR DID NOT HELP. THE AIRCRAFT WAS RETURNED TO EWR WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NLG SHOCK STRUT PRESSURE LOW. A FULL STRUT SERVICE WAS PERFORMED IAW MM 32-21-02. THE NOSE GEAR WAS SWUNG WITH OPERATION AND INDICATIONS CHECKING NORMAL.