As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PILOTS REPORTED TAHT AFTER T.O. DURING GEAR RETRACTION, THE GEAR WARNING HORN SOUNDED AND THE GEAR UNSAFE LIGHT DID NOT EXTINGUISH. MAINTENANCE INSPECTED & CLEANED STUCK GEAR WARNING HORN SWITCHES AT POWER LEVERS AND PERFORMED A MAIN LANDING GEAR EXTENSION AND RETRACTION TEST. OPERATIONAL CHECK WAS GOOD IAW MM 32-60-06.