As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TUL - FLT 271 - AFTER TAKEOFF TUL, LANDING GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO TUL AND LANDED WITHOUT INCIDENT. REPLACED LANDING GEAR CONTROL LEVER LOCK SOLENOID. ACCOMPLISHED LANDING GEAR RETRACTION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)