As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURNED TO PLATFORM BEFORE TAKEOFF. THE LT AIR SPEED INDICATOR WAS OUT OF SERVICE. THE LT CADC AND AIR SPEED INDICATOR WERE REPLACED IAW MM 34-16-01 AND MM 34-13-01 RESPECTIVELY, TESTED CORRECT. DURING OVERNIGHT CHECK, AIRCRAFT ARRIVED WITH REPORT OF DATA FAIL CADC IN MCDU AND TRI WITH FAILURE FLAG. THE LT CADC WAS REPLACED IAW MM 34-16-01, TESTED CORRECT.