As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN - THE CREW ELECTED AN AIR TURNBACK AFTER THE LANDING GEAR RELAY BREAKER POPPED. THE GEAR WAS EXTENDED MANUALLY FOLLOWED BY AN UNEVENTFUL LANDING. MAINTENANCE REPAIRED BROKEN WIRE AT SQUAT SWITCH. REPLACED SQUAT SWITCH P/N 44EN49-6 AND K-3 RELAY P/N MS2417LD1. GEAR TESTED SATISFACTORILY.