As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ZONE TEMP 'CONT CABIN' LIGHT ILLUMINATES ON RECALL & EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED CABIN TEMP CONTROLLER BITE PER B737-800 FIM 21-61-00-810-801.#2 CONTROLLER LOGGED FLIGHT DECK TRIM VALVE FAULT. RESET ON "VERIFY TEST" FAULT CLEARED.