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 EXTREMELY FOUL ODOR THROUGHOUT A/C AS SOON AS RECIRCULATION FANS TURNED ON, APU OFF. MAINTENANCE ACCOMPLISHED WORK CARDS 05-96-70 AND 38-94-14. FOUND THE FIRST CLASS GALLEY DRAIN SILL VALVE FAILED CLOSED AND HOSE SPLIT. REMOVED AND REPLACED THE FIRST CLASS GALLEY DRAIN SILL VALVE AND HOSE IAW AMM 38-31-02. NO ODORS NOTED.