What was found
AFT CABIN UNABLE TO CONTROL TEMP GOING FULL HOT. ACFT GROUNDED. REPLACED AFT CABIN TRIM AIR VALVE, OPS AND LEAK CHECKED GOOD IAW AMM 21-61-21. TEMP CONTROL NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT CABIN UNABLE TO CONTROL TEMP GOING FULL HOT. ACFT GROUNDED. REPLACED AFT CABIN TRIM AIR VALVE, OPS AND LEAK CHECKED GOOD IAW AMM 21-61-21. TEMP CONTROL NORMAL.