As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GRI - THE CREW ELECTED AN AIR TURNBACK AFTER REPEATED LANDING GEAR RELAY CIRCUIT BREAKER FAILURES. THE GEAR WAS EXTENDED MANUALLY FOLLOWED BY AN UNEVENTFUL LANDING. MAINTENANCE REPLACED THE LANDING GEAR MOTOR (P/N 571203 S/N 1060A) AND PRESSURE SWITCH (P/N 570383 S/N 0201). THE GEAR WAS SUCCESSFULLY CYCLED THREE TIMES.