What was found
THE AIRCRAFT WAS GROUNDED. ON TAKE-OFF ROLL, AT 100 KIAS THE TAKE-OFF WARNING HORN SOUNDED AND TAKE-OFF CONFIG LIGHT ILLUMINATED. THE FLIGHT ABORTED THE TAKE-OFF AND RETURNED TO THE GATE. ACCOMP FLIGHT DATA RECORDER RETRIEVAL AS PER 31-92-11, NO CONCLUSIVE FINDINGS, ACCOMPLISHED FIM TASK 31-51-00-810-803, FOUND ALL INDICATIONS NORMAL. UPON BRAKE INSPECTION, BRAKE DISK MATERIAL/CHUNKS FOUND LYING BETWEEN BRAKE HOUSING AND DISK IN NR 3 BRAKE. REMOVED & REPLACED NR 3 BRAKE ASSY PER AMM 32-41-41. (SEE ALSO SDR'S AALA201707039033, AALA201707039034, AND AALA201707039036)