As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: BUSINESS CLASS HAS FOWL ODOR COMING FROM VENTS LIKE LAVATORY SMELL. LOWER CABIN RE CIRCULATION AIR FILTERS REPLACED. (AALA202205166616) UPPER CABIN RE CIRCULATION AIR FILTERS-REPLACED (AALA202205160331), (AALA202205162442). NO FOUL ODOR NOTED AT THIS TIME.