As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*** ATB *** AFTER T/O CAPT AIRSPEED/ALTIMETER + MAP DISPLAY WENT BLANK. FOLLOWED THE NON-ALERT DEU FAIL CHECKLIST AND DID NOT RESTORE THE FAILED DATA. PULLED CIRCUIT BREAKER PER QRH + RETURNED TO SDF. TROUBLESHOT AND FOUND BOTH FCCS FAULTING ADC 1. R&R ADC 1REF MM34-16-01. ALL TESTS PASSED.