As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW INFLIGHT T1429/17FEB - NOSE GEAR WOULD NOT RETRACT AFTER TAKEOFF. RETURNED TO DFW AND LANDED WITHOUT INCIDENT. FOUND WORN ELECTRIC BUSHINGS ON LOWER SCISSOR LINK. REPLACED LOWER SCISSOR LINK BUSHINGS AND PIN. ACCOMPLISHED NOSE STRUT REPACK. SYSTEM GROUND CHECKED NORMAL OPERATION.