As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, THE LANDING GEAR DID NOT RETRACT. CYCLED THE LANDING GEAR HANDLE AND GEAR RETRACTED NORMALLY. FLIGHT CONTINUED TO ORIGINAL DESTINATION AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE LANDING GEAR CONTROL INTERFACE UNIT AND SYSTEM TESTED OK.