As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF FROM OKC. THE GEAR HANDLE WOULD NOT GO PAST THE OFF POSITION. CREW ATTEMPTED TO USE OVERRIDE WITH NO SUCCESS. THE AIRCRAFT WAS RETURNED TO OKC WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE LANDING GEAR LATCH AND PRESS WARNING CIRCUIT BREAKER POPPED. THE CIRCUIT BREAKER WAS RESET AND A GEAR SWING CHECKED GOOD.