What was found
ENGINE WAS REMOVED FOR COMPLIANCE OF AD 94-20-01. ENGINE WAS DISASSEMBLED AND INSPECTION REVEALED A FOUR INCH CRACK IN THE MOUNTING WELD WHICH PROGRESSED INTO A CIRCULAR DIRECTION WITH MATERIAL LIBERATION LIKELY IF LEFT UNDETECTED. ENGINE TIME SINCE HEAVY MAINTENANCE, 6834 HOURS. REFERENCE PRATT AND WHITNEY ENGINE MANUAL (P/N 4816672 72-34-01) REPAIR -08, FIGURE 901, REF 5.