As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, RIGHT MAIN ''A'' GREEN LIGHT ILLUMINATED. GEAR WOULD NOT EXTEND - ALL THREE GEAR RED LIGHTS ILLUMINATED EXCEPT RIGHT ''A'' RED WITH HANDLE DOWN. AFTER 5 MINUTES THE PROBLEM FIXED ITSELF AND THE GEAR LOWERED NORMALLY. REPLACED LANDING GEAR RELAY BOX IAW 32-31-02. OPS CHECK GOOD.