As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DECENT A DIRTY SMELL WAS DETECTED BY FA (A) AND (D) ALSO WAS DETECTED IN THE COCKPIT. SUSPICIUOS OF FUMES EVENT.-PERFORMED DECONTAMINATION OF THE ECS IAW TSM 05-50-00 AND AMM 21-00-00 ENGS WERE RUNING BY CREW. NO SMOKE OR ODOR ON BOTH PACKS. A/C OK FOR SVC. MOC # 119255.