What was found
DURING ROUTINE INSPECTION, FOUND VACUUM FILTER END CRUMBLING. FILTER WAS AT ITS 400 HOUR DUE TIME. WHEN PIECES OF RUBBER WERE REMOVED AND ROLLED BETWEEN FINGERS, THEY CRUMBLED INTO SMALL PIECES. HAVE FOUND SEVERAL LIKE THIS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING ROUTINE INSPECTION, FOUND VACUUM FILTER END CRUMBLING. FILTER WAS AT ITS 400 HOUR DUE TIME. WHEN PIECES OF RUBBER WERE REMOVED AND ROLLED BETWEEN FINGERS, THEY CRUMBLED INTO SMALL PIECES. HAVE FOUND SEVERAL LIKE THIS.