As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONTROL CABIN ZONE TEMP ILLUMINATED DURING MASTER CAUTION RECALL. RESET OK. GROUNDED - YES. PERFORMED BITE CK B737-800 AMM 21-61-00. FOUND TRIM VLV FLT DECK FAULT. RESET REPERFORMED BITE ALL PASS GO GREEN WITH NO FAULTS. NO HISTORY 30 DAYS.