As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED NOSE GEAR WOULD NOT RETRACT AND NOSE GEAR UNSAFE INDICATION. EMERGENCY DECLARED FLIGHT RETURNED TUS LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. ACCOMPLISHED REPACK OF NOSE LANDING GEAR STRUT. SYSTEM GROUND CHECK NORMAL OPERATION.