As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION OPERATION 10, ITEM CARD 27-20 INSPECTION REVEALED FILTER SEPARATED FROM MOUNTING FLANGE IN THE END OF ELBOW FITTING PERMITTING IT TO SLIDE BACK AND FORTH WITHIN THE FITTING. THIS NEGATES FILTERING. REPLACED ELBOW FILTER FITTING. SUBMITTER STATED IT APPEARS TO BE POOR DESIGN. THIS IS THE 2ND FITTING FOUND FAILED IN A 6-MONTH PERIOD AND 323 FLIGHT HOURS. (LT WING.)