As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT SELECTED GEAR UP AND THERE WAS NO INDICATION THAT THE GEAR HAD MOVED. PILOT SELECTED SEVERAL TIMES AND THEN RETURNED TO AN UNEVENTFUL LANDING. INVESTIGATION FOUND THE PC BOARD A316 WAS AT FAULT. BOARD REPLACED AND AIRCRAFT RETURNED TO SERVICE.