As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS REPORTED A BAD ODOR IN THE REAR OF THE AIRCRAFT AROUND 28,000. THE SMELL WENT AWAY ABOUT 10 MINUTES LATER. MAINTENANCE REPLACED AFT CHILLER PER AMM 25-34-00 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.