What was found
PRIOR TO INSTALLATION ON AIRCRAFT, BLEW THROUGH FILTER TO CHECK FOR OBSTRUCTIONS AND FREEDOM OF AIR MOVEMENT. FILTER APPEARED TO BE BLOCKED. DISASSEMBLED FILTER AND FOUND MATERIAL THAT IS USED TO GLUE ELEMENT IN FILTER BLOCKING HOLE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PRIOR TO INSTALLATION ON AIRCRAFT, BLEW THROUGH FILTER TO CHECK FOR OBSTRUCTIONS AND FREEDOM OF AIR MOVEMENT. FILTER APPEARED TO BE BLOCKED. DISASSEMBLED FILTER AND FOUND MATERIAL THAT IS USED TO GLUE ELEMENT IN FILTER BLOCKING HOLE.