As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FA REPORTS A MOMENTARY "DIRTY SOCK" SMELL MANIFESTED ITSELF DURING TAKEOFF, BUT QUICKLY WENT AWAY. THIS FA WAS IN THE AFT CABIN WHEN THE SMELL WAS MOMENTARLY OBSERVED DURING TAKEOFF.-REF. TSM 05-50-00-810-831-A, APU SLIGHTLY OVERSERVICED. CORRECTED APU OIL LEVEL PER AMM 12-13-49. PERFORMED DECONTAMINATION OF THE ECS IAW AMM 21-00-00. PERFORMED PRE-CONDITIONING PER AMM 12-33-21. NO ODORS NOTED.