What was found
F/A REPORTED A DIRTY SOCK ODOR TOWARD THE AFT CABIN, COCKPIT CREW COMPLIED WITH QRM, SHUT OFF THE NR 2 PACK, ODOR REMAINED AND DID NOT DISSAPATE. PERFORMED TSM 05-50-00 NO ODOR NOTED, OIL LEVELS CHECKED OK. NO LEAKS DETECTED. ACFT OK FOR SERVICE