What was found
PROP REMOVED TO FACILITATE REPLACEMENT OF ENG CRANKSHAFT SEAL. REMOVAL OF SPINNER, SEVERE WEAR AND FRETTING OF INNER SURFACE WAS NOTED WHERE FWD BULKHEAD (PN04500503) CONTACTS SPINNER. AFTER REMOVING PROP, PROP MOUNT BOLTS WERE OVERTORQUED, RESULTING IN DEFORMATION OF WASHERS AND BULKHEAD. AFT BULKHEAD (04500465) WAS CRACKED ALMOST ENTIRELY AROUND CIRCUMFERENCE OF BOLT CIRCLE. PROP, AFT BULKHEAD, AND PROPELLER SPACER SHOWED EVIDENCE OF HAVING BEEN PRIED APART WITH A SCREWDRIVER OR SIMILAR INSTRUMENT. MOVEMENT OF CRACKED REAR BULKHEAD HAD CAUSED FRETTING DAMAGE TO AFT FACE OF PROP HUB. REQUIRED REPLACEMENT OF SPINNER, AFT BULKHEAD, AND FORWARD BULKHEAD. PROP WAS REPAIRED AT A CERTIFIED FACILITY.