As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CABIN TEMP WILL NOT STAY WARM. C/W FIM 21-51-00 BITE CHECK, RT PACK CONTROLLER, RT PACK TEMP CONTROL VALVE FAULTED. R & R THE RT PACK TEMP CONTROL VALVE IAW AMM 21-51-12. RT PACK CONTROL VALVE LEAK AND OPS CHECKED GOOD. ALL ZONES CONTROLLABLE ON GROUND.