As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX REPORTED EGG SMELL IN ROW 17. F/A CONFRIMS SMELL. LATER IN CRUISE THE SMELL WAS REPORTED AAS A SWEET BUTTERY SMELL APPROX BETWEEN ROWS 17/-22.-REF TSM 05-50-00-810-831-A, ODOR IDENTFIED AS LEVEL A. PERFORMED LEVEL A DECONTAMINATION OF ECS IAW AMM 21-00-00-615-802-A. A/C OK FOR SERVICE.