As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOTS REPORTED THAT UPON GEAR RETRACTION THE HORN WAS ON WITH GEAR UNSAFE LIGHTS. MAINTENANCE INSPECTED & CLEANED LANDING GEAR UPLOCK SWITCHES & INSPECTED PRINTED CIRCUIT BOARD CONNECTOR. NO DEFECTS WERE NOTED. REFEREMCE BMM 32-60-00. OPS CHECK FLIGHT WAS PERFORMED AND WAS SATISFACTORY.