What was found
AFTER START GOT ECAM INDICATION FAULT ON MAIN DECK RIGHT AFT CARGO SMOKE DETECTION SYSTEM AND FAULT LIGHT ON OVERHEAD PANEL. CLEARED ITSELF AFTER 2-3 MINUTES. THEN COME ON AGAIN DURING T/O ROLL AT 30-40KIAS. ABORTED T/O. FAULT LIGHT WENT AWAY. RETURNED TO RAMP. ACN RELEASED FOR SERVICE PER MEL/CDL: 26-17-01-A CATEGORY: C EXPIRATION: 15MAR09 "MEL 26-17-01-A: MAIN DECK (IDENTIFY MID 1, MID 2 AN D/OR AFT) A SMOKE DETECTOR(S) INOP." REMOVED AND REPLACED LOWER CARGO SMOKE DETECTOR 44WH AND 9 WH REF MM 26-16-11-4. OPS CHECK NORMAL REF 26-16-00-5. REF TSI 26-12 NR 7249 FOR PARTS CHANGE AND T/S INFO.