As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GTF - ON FLIGHT NUMBER 2324, DURING CRUISE FLIGHT BOTH MAIN GEAR DOORS OPENED FOR 2 SECONDS. THE AIRSPEED WAS 245 KIAS AT 25,000 FEET. THE EVENT MARKER WAS PUSHED 20 SECONDS AFTER OCCURRENCE. GEAR OPERATED NORMAL. ADJUSTED LEFT AND RIGHT MAIN GEAR UPLOCK PROX SENSORS. VERIFIED INDUCTANCE VALUES FOR BOTH UPLOCK SENSORS. EXTENSION/RETRACTION TEST WAS PERFORMED. NO DEFECTS WERE NOTED. AIRCRAFT RETURNED TO SERVICE.