As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD INFLIGHT T1145/02FEB - NOSE GEAR UNSAFE LIGHT ILLUMINATED AFTER NOSE GEAR RETRACTION. RETURNED TO ORD AND LANDED WITHOUT INCIDENT. REPACKED NOSE STRUT ASSEMBLY AND REPLACED METERING PIN SEALS AND LOWER TURNING TUBE BEARING. SYSTEM GROUND CHECKED NORMAL OPERATION.