As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CUSTOMER NOTED WHITE PARTICLES FROM QUICK DRAINS, INSPECTED, FOUND WHAT OWNER FOUND, WHITE PARTICLES. REMOVED FUEL BLADDERS. INSPECTED FOUND WHITE POWDER/ASH ON VARIOUS PLACES OF BOTH FUEL BLADDERS. FUEL BLADDERS MFG 7/04 AND 8/04. WHITE POWDER IS COMING FROM THE INSIDE OF FUEL BLADDERS. REPLACED BLADDERS WITH NEW FROM MFG UNDER WARRANTY. MFG IS AWARE OF THIS PROBLEM. CLEANED COMPLETE SYSTEM. (K)