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 VERY BAD DIRTY SOCK SMELL ON DECENT. MAINTENANCE ACCOMPLISHED JOB CARD - SMOKE ODOR FUMES INITIAL TROUBLESHOOTING. FOUND SOURCE OF ODOR TO BE FWD GALLEY OVENS. REPACED BOTH FWD GALLEY OVENS IAW AMM 25-35-19. NO ODOR EXISTS AT THIS TIME.