What was found
VERBAL FROM TEST FLIGHT CREW, ZONE 'E' HAS LITTLE AIRFLOW. OCCURS WHEN DEMAND TO WARM UP ZONE 'E' THE HOT AIR ODOR COMES BACK (IN FLIGHT). FOUND DEBRIS IN MIX MANIFOLD OUTLETS, CLEANED SAME.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
VERBAL FROM TEST FLIGHT CREW, ZONE 'E' HAS LITTLE AIRFLOW. OCCURS WHEN DEMAND TO WARM UP ZONE 'E' THE HOT AIR ODOR COMES BACK (IN FLIGHT). FOUND DEBRIS IN MIX MANIFOLD OUTLETS, CLEANED SAME.