As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS DIRTY SOCKS FUMES AFTER TAKEOFF FOR 20 MINUTES SUBSIDED AT CRUISE FL360 ODOR RETURNED ON DECENT. MAINTENANCE ACCOMPLISHED JOB CARD 26L00021001, FOUND APU LEAK CAUSING SOURCE OF SMELL. SUPPLEMENTAL INFORMATION: MAINTENANCE REMOVED AND REPLACED APU IAW JOB CARD 26L31049003. OPS CHECK LEAK CHECK GOOD. (CLOSED)