As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DESCENDING OUT OF FL280 A STRONG ODOR OF VOMIT AND CHEMICAL FUMES WAS VERY STRONG. FRONT FA REPORTED FRONT AND REAR OF AIRPLANE WAS COVERED WITH HEAVY SMELL OF VOMIT.-IAW TSM 05-50-00-810-831A, SUSPECT APU AS SOURCE OF CONTAMINATION. PERFORMED TYPE 1 LEVEL A DECONTAMINATION PROCEDURE, AMM 21-00-00-615-802. NO SMELL NOTICED AFTER DECONTAMINATION