What was found
AFTER T/O, SMOKE IN CABIN AND COCKPIT WITH SMOKE ALARMS ON FURTHER INSP FOUND HYD TRANSFER PUMP CASE DRAIN LINE HAD FILLED ITS OVERFLOW CONTAINER. WHICH IN TURN HAD BEEN RUNNING INTO THE APU INTAKE. REPLACED HYD TRANSFER PUMP, DUMPED AND CLEANED DRAIN CAN. APU WILL HAVE TO BE CLEANED TO PREVENT FURTHER CONTAMINATION OF AIR CONDITIONER SYSTEMS.