As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURNED TO PLATFORM DUE TO A DIFFERENCE OF 6 KNOTS BETWEEN VELOCIMETERS. AT PLATFORM THE SYSTEM WAS CHECKED, CONFIRMING CADC NR 1 FAILURE. CADC NR 1 WAS REPLACED AND TESTED IAW MM 34-16-01. ADDITIONALLY BRAKE ASSEMBLY WAS CHECKED BY CONDITION, IAW MM 05-52-0 THE INSPECTION BY REJECTED TAKEOFF IS NOT NECESSARY.