As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANTS AND PASSENGERS NOTICED A SMELL IN CABIN LIKE VOMIT OR DIRTY SOCKS AND A HOT CHEMICAL SMELL IN BACK OF AIRCRAFT. MAINTENANCE ACCOMPLISHED J/C 26L00021001. REMOVED AND REPLACED HEPPA FILTERS PER AMM 21-21-41. CHECKS OK.