As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TEMPERATURE CONTROL INCONSISTENT THROUGHOUT PASSENGER CABIN. TYPICALLY VERY WARM IN ROWS 6-10 WHEN REST OF CABIN COMFORTABLE. IF 6-10 ARE COMFORTABLE, OTHER PASSENGERS COMPLAIN OF BEING TOO COLD. GROUNDED - YES. COMPLETED PACK/ZONE TEMP CONTROL BITE CHECK NO FAULTS FOUND. OPS CHECK GOOD. NO HISTORY IN THE LAST 30 DAYS.