As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONTROLLER CAB ZONE TEMP ILLUMINATES ON RECALL. ACFT GROUNDED. BITE OF BOTH CONTROLLERS SHOWS CABIN SENSOR FAULT FOR PREVIOUS FLIGHT. FOUND CABIN SENSOR FILTER CLOGGED. CLEANED FILTER, REF AMM 21-61-06-100-801. BITE TEST BOTH CONTROLLERS CHECKS GOOD, REF AMM 21-61-20-400-801.