What was found
DESCENDING OUT OF FL260 WE HAD A FUME EVENT SMELL DIRTY SOCKS. DUE TO INSUFFICIENT INFORMATION ON CABIN ODOR, PERFORMED GVI ON APU COMPT PER AMM 49-16-00, NO OIL LEAKS NOTED. PERFORMED ENG NR 1 AND ENG NR 2 IDLE RUN PER AMM 71-00-00 WITH PACKS NR 1 AND NR 2, NO SMELL NOTED AT ANY MOMENT WITH EITHER APU OR ENG. BLEED AIR. A/C IS OK FOR CONTINUE SERVICE.