What was found
JUST BEFORE TAKEOFF RECEIVED A MIN EQUIPMENT BAY SMOKE LIGHT, FOLLOWED BY A MAIN DECK CARGO SMOKE WARNING. AIR SYSTEM SERVICING IAW A310-200 AMM 21-51-00-3,TSM 26-15-00. REMOVED AND REPLACED NR 1 & 2 COALESCER BAGS IAW AMM 21-51-16-3. PERFORMED ENGINE RUNS IAW A310-200 JRH. FOUND COOLING AIR TUBE AT MIN EQUIP BAY LOOSE. RECONNECTED TUBE IAW AIRBUS SMP. RECOMMEND AVI ASSIST TO PUT A/C IN FLYING STATUS WITH ALL EQUIP FUNCTIONING DURING HIGH POWER TO ENSURE NO RETURN OF SMOKE WARNINGS. DETERMINED ENGINE WASH TASK CARD C/W FOR EGT MARGIN C/W IN B CK. ADDITIONAL PROCEDURES UNDER REVIEW TO PREVENT REPEAT OF SIMILIAR OCCURANCE.