As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 0362 - AFTER TAKEOFF ORD WHEN LANDING GEAR RETRACTED, NOSE LANDING GEAR DID NOT RETRACT. EXTENDED LANDING GEAR AND ALL INDICATIONS NORMAL. AIRCRAFT RETURNED TO ORD AND LANDED WITHOUT INCIDENT. SERVICED NLG STRUT WITH HYDRAULIC FLUID AND NITROGEN. ACCOMPLISHED NOSE LANDING GEAR RETRACTION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)