What was found
A/T DISC ON LOW SPEED TAKE OFF, TAKE OFF ABORTED. FLIGHT CREW DEFERRED 22-30-1A. AIRCRAFT DEPARTED WITHOUT FURTHER INCIDENCE. MAINTENANCE CHECKED MCDP FAILURES. DID NOT FIND ANY FAILURES ON LEG 02, LEG 18 HAD A/T DISC TMC 310801. NO OTHER RELATED FAILURES. RAN MCDP TEST 02 HAD NO INFC TMC A/T WARN -1 NRM, NO INFC TMC A/T WARN-1 BAT, AND NO INFC TMC PLA POS R. TEST 10 PASS, TEST 30 FAILED SAME AS TEST 02. DI REMAINS, DEACTIVATION PROCEDURES APPLIED. AIRCRAFT RETURNED TO SERVICE.