What was found
CONT CAB ZONE TEMP. GROUNDED - YES. CW B737-800 FIM 21-61 TASK 861 #2 PZTC SHOWED FLIGHT DECK TRIM VALVE CLEARED ON BITE TEST.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CONT CAB ZONE TEMP. GROUNDED - YES. CW B737-800 FIM 21-61 TASK 861 #2 PZTC SHOWED FLIGHT DECK TRIM VALVE CLEARED ON BITE TEST.