What was found
DURING FLIGHT NR 3322, LT BLEED AIR LEAK LIGHT ILLUMINATED,LIGHT EXTINGUISHED AFTER CLOSING BLEED VALVE. AIR RETURN TO MEM. MAINTENANCE FOUND LOOSE CLAMP ON RUBBER DUCT P/N 9303688-100. TIGHTEN CLAMP,RUN ENGINES WITH BLEEDS ON NO FAULT FIND.LEAK CHECK IS GOOD.ALL CHECKS GOOD IAW SF340 CHAPTER 36.