What was found
CREW REPORTED A STRONG ODOR DURING CLIMB & DESCENT BELOW 10,000 TO 12,000 FEET, SIMILAR TO A DIRTY SOCK ODOR THROUGHOUT ACFT. NOT AS NOTICEABLE AT HIGHER ALTITUDES. ACCOMPLISHED JOB CARD 26L00021001, TROUBLESHOOT CABIN AIR QUALITY, COULD NOT DUPLICATE ODOR. ACFT CHECKED GOOD, NO SMELL. ACFT OK FOR SERVICE.