As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LT/AIRCOND LT/ MASTER CAUTION ILLUMINATED DURING RECALL ON AFTER START CHECK. FOUND ON ZONE TEMP CONT 1 TCV THIS PACK FAULT. FOUND VALVE TO BE STUCK OPEN. REPLACED LT TEMP CONTROL VALVE. TEMP CONTROL VALVE TEST OPS CHECK GOOD REF AMM 21 51 10 400 801. PACK/ZONE TEMP CONT 1 BITE PROCEDURE PERFORMED. TCV FAULT CLEARED FIM TASK 21 62 00 810 801. GROUND TESTS GOOD.