As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONT CAB ZONE TEMP CAUTION LIGHT ILLUMINATED ON RECALL LIGHT EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED-YES. REF B737-800 AMM 21-61-00 ACCOMPLISHED BITE CHECK OF NR 1 AND NR 2 PZTC'S FOUND FLIGHT DECK TRIM VALVE FAULT ON NR 2 CONTROLLER FAULT RESET OPERATED SYSTEM. OPERATIONS CHECK GOOD.