What was found
DURING CABIN WALK THROUGH, NOTED ALL 5 CABIN ZONE TEMP SENSE FILTERS HEAVILY BLOCKED WITH DIRT. REMOVED CLEANED AND REINSTALLED FILTERS PER MM 21-61-09.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CABIN WALK THROUGH, NOTED ALL 5 CABIN ZONE TEMP SENSE FILTERS HEAVILY BLOCKED WITH DIRT. REMOVED CLEANED AND REINSTALLED FILTERS PER MM 21-61-09.