What was found
(HZ3R) PUMP ASSY HAD SEVERE DAMAGES, SUCH AS GEAR BUSHINGS BROKE AND GEAR SHAFT DISASSEMBLED FROM NORMAL POSITION (STILL MOUNTED IN THE ROTOR). STATOR ASSY - SEVERE DAMAGES FROM ROTOR ASSY. END BELL ASSY - LINER HAS BEEN DISINTEGRATED. LINER MOUNTING STRUCTURE ARE COMPLETELY DESTROYED. ROTOR ASSY - EXCITER AND MAIN STATOR SEVERE DAMAGES. SHAFT EXPERIENCED SEVERE HEATING DUE TO DISCOLORATION. CAUSE: BASED ON THE AMOUNT OF DAMAGE TO THE PUMP, IT IS LIKELY THAT THE PUMP WAS FIRST TO FAIL. PREVENTATIVE ACTION: PENDING COMPLETION OF ENGINEERING INVESTIAGTION.