As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED RT RED GEAR LIGHT DID NOT ILLUMINATE IN FLIGHT. JACKED AIRCRAFT AND SWUNG GEAR. PERFORMED GEAR WARNING CHECK AND FOUND PROBLEM WITH CIRCUIT CARD M986, GEAR RED WARNING LIGHT. REPLACED CIRCUIT CARD M986, SWUNG GEAR AND OPS CHECKED NORMAL.