As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: LANDING GEAR FAULT MESSAGE DISPLAYED. EMERGENCY WAS NOT DECLARED. FLIGHT RETURNED TO DEPARTURE WITHOUT FUTHER INCIDENT. MAINTENANCE TROUBLESHOT PER TSM 32-31-00-810-820-A AND REPLACED SENSOR 29GA PER AMM 32-31-73 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.