As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH INTO MSP, THE RIGHT MAIN LANDING GEAR GREEN LIGHT DID NOT ILLUMINATE AFTER GEAR WAS EXTENDED. RECYCLED GEAR AND NORMAL INDICATIONS WERE ACHIEVED. JACKED AIRCRAFT AND CYCLED GEAR SEVERAL TIMES AND ALL INDICATIONS CHECKED NORMAL. DISCREPANCY COULD NOT BE DUPLICATED. CLEANED SWITCHES AS A PRECAUTION AND AIRCRAFT RETURNED TO SERVICE.