What was found
(CAN) FOLLOWING WASH OF ENTIRE UPPER HOUSING, WATER WASH OF OIL PASSAGES AND ADHESION TEST, IT WAS NOTED THAT THE PROTECTIVE COATING WAS FLAKING IN ONE AREA OF INTERNAL SURFACE EXPOSING MAGNESIUM SURFACE. RETURN TO VENDOR. DIRECTOR OF QUALITY FOR HSI CONTACTED AND INFORMED OF THE FACT THAT THIS IS THE FOURTH UPPER CASE WITH THE SAME TYPE OF NON CONFORMANCE. POSSIBLY CASTING MAY NOT HAVE BEEN ENTIRELY CLEAN PRIOR TO COATING APPLICATION BY OEM. (TC NR 20091214007)