What was found
DIRTY SOCK SMELL IN FRONT HALF OF AIRPLANE DURING CLIMB AND DESCENT BELOW FL180.-APPLIED TSM 05-50-00-810-831-A,PERFORMED TEST OF PACKS 1 & 2 WITH APU BLEED,NO ORDER DETECTED. OPERATED ENG 1 & 2 SUPPLYING BLEED AIR,NO ODOR DETECTED PER AEROTRACER.A/C CHECKS GOOD AT THIS TIME.