As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON RECALL "CONT CAB ZONE TEMP" MASTER CAUTION. GROUNDED-YES. PER B737-800 FIM 21-62 TASK 842 PACK TEMP CONTROL 2 BITE SHOWS FLIGHT DECK TRIM VALVE FAULT, VERIFY PASSES INITIAL EVALUATION. AFTER RESET, LT AC PACK OPERATES NORMALLY, NO FAULT SET.