As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YIP - FLT 62152 - ON TAKEOFF AT GEAR RETRACTION - HORN SOUNDED AND GEAR AND DOOR LIGHT REMAIN ON. RECYCLED GEAR, GEAR LIGHT WENT OUT. LIGHT REMAINED ON AND HORN SOUNDED. REMOVED AND REPLACED A/P OFF WARN CIRCUIT BREAKER. HORN CHECKS GOOD ON GROUND. (X)