What was found
EVAC COMMAND ALARMSOUNDED DURING TAKEOFFROLL AT HIGH SPEED. LOCKING DUE TO MULTI CIDS 1 & 2 FAULT AFTER T/O UNLOCKING FOR UPDATE UNABLE TO PRODUCE FAULTS. FOUND FAULT HISTORY OF COMMUNICATION ERRORS IN POST FLIGHT REPORT. PRECAUTIONARILY R&R BOTH CIDS DIRECTORS PER AMM 23-73-34/401 CONFIG 00. OPS CHECK GOOD. PARTS USED: 31-2300-9-0002,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1871287 SN OFF 6319 TT # 1775955 SN OFF 3204 UNIT, DIRECTOR- OFF 31-2300-9-0002 6319 ON 31-2300-9-0002 6685 UNIT, DIRECTOR- OFF 31-2300-9-0002 3204 ON 31-2300-9-0002 4362