As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMB AND CRUISE, WARM AIR ENTERING FLIGHT DECK & CABIN, ALL ZONE SELECTORS FULL COLD, STILL WARM AIR. ACFT GROUNDED. ACCOMPLISHED BITE ON BOTH PACK TEMP CONTROLERS, BOTH CONTOLLERS FAULTED THE TCU IAW MM FIM 21-62 TASK 801-14584. CLEANED TEMPERATURE SENSOR ASSY FILTERS IAW AMM 21-61-06. ACCOMPLISHED BITE CHECK AFT TEMP CONT VALVE FAULTED. NR 1 TCV FAULT CLEARED. VERIFIED NR 2 TCV BAD. R & R NR 2 TCV IAW AMM 21-51-10-400-801 & 21-51-10-000-801. LEAK AND OPS CHECKED GOOD.