Narrative:

Rejected takeoff. After emergency landing resulting from loss of CADC functions, and having dumped 160000 pounds of fuel, maintenance changed FCC computer. We refueled and taxied for another departure. Again, at approximately 130 KTS, a CADC failure was indicated. This time I chose to reject the takeoff. The aircraft was stopped on the runway, then taxied to the gate. I called for crash fire rescue equipment support as we had indications of overheated brakes. We deplaned normally and the flight was canceled.

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Original NASA ASRS Text

Title: MD11 CREW REJECTED TKOF WHEN ALL ITEMS ON THE FO'S CADC SYS FAILED.

Narrative: REJECTED TKOF. AFTER EMER LNDG RESULTING FROM LOSS OF CADC FUNCTIONS, AND HAVING DUMPED 160000 LBS OF FUEL, MAINT CHANGED FCC COMPUTER. WE REFUELED AND TAXIED FOR ANOTHER DEP. AGAIN, AT APPROX 130 KTS, A CADC FAILURE WAS INDICATED. THIS TIME I CHOSE TO REJECT THE TKOF. THE ACFT WAS STOPPED ON THE RWY, THEN TAXIED TO THE GATE. I CALLED FOR CFR SUPPORT AS WE HAD INDICATIONS OF OVERHEATED BRAKES. WE DEPLANED NORMALLY AND THE FLT WAS CANCELED.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.