What was found
DURING CREW SWAP, THE FLIGHT ATTENDANTS THAT BROUGHT THE AIRCRAFT IN STATED THAT ON DECENT, THE SMELLED A FOUL ODOR AKIN TO DIRTY SOCKS. PER TSM 05-50-00 PERFORM OPS CHECKS OF PACKS ONE AND TWO #1/#2 WITH APU BLEED ENABLE TO DUPLICATE ODOR. PERFORMED ENG1/ENG2 RUNUPS PER AMM 71-00-00. ISOLATED PACK1/PACK2 WITH ENGINE BLEED. UNABLE TO DUPLICATE ODOR. NO APU OR ENGINE LEAK FOUND. AC OK FOR SERVICE. MOC NOTIFIED.