As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVEN IN AFT GALLEY. TROUBLE SHOT IAW TSM 05-50-00-810-831-A RAN APU WITH BLEED IAW AMM 36-12-00 AND PERFORMED ENG RUN WITH BOTH ENGINES IAW AMM 71-00-00 NO SMELL FOUND BY MX OR FLIGHT CREW /AC HAS NO HISTORY. A/C OK FOR CONTINUED OPERATIONS.