What was found
DFW - FLT 3597 - SMOKE IN CABIN WITH RT BLEED IN X OVER, RT ENGINE RUNNING, LEFT ENGINE SHUT DOWN. PERFORMED RIGHT ENGINE RUN FOUND AIR LEAKING AROUND GROUND COOLING FAN, TIGHTENED CLAMPS, NO ADDITIONAL LEAKS NOTICED. OPS CHECK GOOD IAW 72-00. AIRCRAFT WAS RETURNED TO SERVICE. (M)