As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING "AFTER START" CHECKLIST, CONT CAB ZONE TEMP LIGHT ILLUMINATED DURING RECALL. THE LIGHT RESET WITH MASTER CAUTION RESET. GROUNDED-YES. BITE OF CONTROLLERS SHOWS FLIGHT DECK TRIM VALVE FAULT IN HISTORY. BITE OF CONTROLLERS SHOW GO WITH NO CURRENT FAULTS, REF B737-900 AMM 21-61-00-700-806-002.