As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RAPCO MANUFACTURES 'CLONES' OF B. F. GOODRICH DEICER PRODUCTS. RAPCO MODULAR BRUSH ASSY IS MADE IMPROPERLY. THIS UNIT IS A COPY OF B.F.G., PN 3E2011. B.F.G. SPECIFIES A CARBON BRUSH WITH INTEGRAL LOCATING PIN FOR THIS APPLICATION. RAPCO USES 'NON-PINNED' BRUSHES WHICH COCK SIDEWAYS AND CAUSE EXTRA WEAR ON BRUSH BLOCK/HOLDER.