As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: SUSPECTED FUME EVENT. FLIGHT ATTENDANTS REPORTED A CHEMICAL OR SWEET SMELL SIMILAR TO PAINT, ESPECIALLY IN THE AFT CABIN. CANNOT BE CONFIRMED BY PILOTS. NO FUMES PRESENT ON FLIGHT DECK. MAINTENANCE FOUND THE THS ACTUATOR HAD BEEN OVERSERVICED / LEAKING AND WAS REPLACED PER JOB CARD 26L00027002.