As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RED GEAR DISAGREE CAME ON WHEN WE TRIED TO RETRACT THE LDG GEAR AFTER LIFT OFF. T/S THE MDC AND FOUND SENSORS: PX44, PX24, PX03 TO BE FAULTED. CHECKED RIGGING ON SWITCHES AND FOUND NO DEFECTS. ALL WITHIN LIMITS. PERFORMED FUNCTIONAL TEST OF THE LANDING GEAR EXTENSION/RETRACTION IAW AMM 32-30-00-720-801. NO DEFECTS NOTED. OK FOR SERVICE.