As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, THE LANDING GEAR HANDLE WOULD NOT MOVE TO THE RETRACT POSITION. THE JET PUMP WOULD NOT TURN OFF AND AUTO PRESSURIZATION CONTROL WOULD NOT WORK. MAINTENANCE INSPECTED AND REPLACED THE ANTI-RETRACTION SWIVEL PIN ON THE GROUND SHIFT MECHANISM. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT WAS RETURNED TO SERVICE.