As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AIRSPEED SPLIT ON TAKEOFF..CAPTAIN 80 KNOTS AND FIRST OFFICERS 90 KNOTS. ACCOMPLISHED TSM 30-31-00-810-847A AND DURING OPERATIONAL TEST OF THE PROBE ICE PROTECTION SYSTEM FOUND #1 PROBE HEAT COMPUTER FAILED TEST. REPLACED #1 PROBE HEAT COMPUTER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 30-31-34.