As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LANDING GEAR ACCESSORY) SCHEDULED FLIGHT, DURING GEAR RETRACTION, PARKING BRAKE LIGHT ILLUMINATED. CREW RECYCLED THE GEAR WITH NO CHANGE IN INDICATION. CREW DECLARED AN EMERGENCY LANDING. AT ABOUT 1000 FEET THE LIGHT EXTINGUISHED AND THE AIRCRAFT LANDING WENT UNEVENTFUL. MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR ACCESSORY UNIT. OPERATION CHECK PERFORMED OK, ON THE GROUND. AIRCRAFT WAS THE RETURNED TO SERVICE.