As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 351 - VERY STRONG DIRTY SOCK ODOR THROUGHOUT WHOLE AIRCRAFT THRU ALL PHASES OF FLIGHT AND TAXI. REMOVED AND REPLACED AUXILLIARY POWER UNIT (APU) PER CARD 26L31049005. OPERATIONAL CHECK WAS GOOD. NO FAULT FOUND. UNCONFIRMED FAILURE.