What was found
ATTCS DID NOT ARM ( TURN FROM WHITE TO GREEN ) ON TAKE OFF ROLL. REJECTED TAKEOFF REMOVED FROM SERVICE. REF WO 358793 AAR S/N 9942079 FOR ALL WORK PERFORMED, INTERROGATED THE CMC, NO FAULTS , C/W FHDB DOWNLOAD IAW E175 AMM 45-45-00-920-801-A AND FIM TASK 22-31-00-810-885-A AND OPS TEST E175 AMM 22-31-00-710-801-A, ALL TEST PASSED, CONSIDERED TRANSITORY, A/C REMAINS CAT III PLACARDS DISPLAYS CAT III, MTC CONTROL NOTIFIED. NO PARTS REPLACED.