As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT V1, F/O AIRSPEED AND ALT INDICATORS FAILED AND AT LIFT OFF OVERSPEED WARNING CAME ON WITH F/S FAILURE ON BOTH SIDES. GOING TO ALT ON F/O SIDE DID NOT CHANGE OR CADC BOTH ON 1. FLIGHT RETURNED TO EWR. INSTRUMENTS RETURNED TO NORMAL AFTER LANDING. REPLACED NR 2 CADC (P/N HG28D80) (SN 88111912) AND CADC SWITCH UNIT.