As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN ZONE TEMP ILLUMINATED ON RECALL. GROUNDED - YES. FWD CABIN ZONE TEMP LIGHT DID NOT ILLUMINATE ON RECALL. PERFORMED PACK/ZONE TEMP CONTROLLER BITE ON BOTH RIGHT AND LEFT CONTROLLER BITE ON BOTH RIGHT AND LEFT CONTROLLERS PER B737-900 FIM 21-62 TASK 801. BITE PASSES WITH NO FAULTS. DUE TO HISTORY CK'D CABIN TEMP SENSOR INLET FAN SCREENS.