What was found
PART IS DEFECTIVE. FOUND BOTH SMALLER BORE OIL PASSAGES WHICH SUPPLY OIL TO THE #3 JETS (3EA.) & MAST BEARING TO BE CLOGGED (BETWEEN THE VERTICAL PASSAGE & THE JET BORE) WITH A HARDENED EPOXY - LIKE SUBSTANCE. UPON REMOVAL OF THE EPOXY - LIKEMATERIAL, FOUND BOTH PASSAGES TO BE IN AN UN-FINISHED STATE (NOT COMPLETELY BORED OUT) WHERE THE ANGLED PASSAGES MEET THE VERTICAL PASSAGES. REPLACED WITH ANOTHER NEW TOP CASE ASSY.