As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURNED TO PLATFORM DURING TAKE OFF LT SPEED INDICATOR HAD 80 KNTS AND RT SPEED INDICATOR HAD 65 KNTS. DURING REVISION WERE DETECTED CADC NR 2 WITH FAILURE IN CDUS, RT SPEED INDICATOR FLAG AND FAST/SLOW FUNCTION IN RT PFD WITH FAILURE. CADC NR 2 WAS TESTED IAW MM 34-11, CONNECTION LINES AND PITOT TUBE AND STATIC PORT WERE CLEANED, ALL TEST CORRECT. BOTH CADC WERE REPLACED, ALL CORRECT.