As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT A/C PACK LIGHT ILLUMINATED ON RECALL. EXTINGUISHED AFTER PRESSING RESET. NR 1 CONTROLLER SHOWS TEMP CONTROL VALVE FAULT. REPLACED TEMP CONTROL VALVE AND CONTROL CABIN TRIM MODULATING VALVE REF 21-61-21-400-801. OPS & LEAK CHECKED GOOD.