As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VINEGAR SMELL ON APPROACH AT 3000".-APPLIED T.S.M. 05-50-00-810-831-A . UPON INSPECTION OF AC. FOUND AFT GALLEY CARTS AND TRASH CONTAINER DIRTY AND WET ( LIKE OLD JUICE RESIDUE) CLEANED AFT GALLEY AREA AS REQUIRED AND C/W AC. DECONTAMINATION OF THE ENVIROMENTAL SYSTEM E.SC.S. IAW AMM; 21-00-00-615. NO VINEGAR SMELL NOTED, AC. OK TO CONTINUE OPS.