What was found
PROPELLER RECEIVED FOR INSPECTION OF RED DYE OIL LEAK (SMALL). DISASSEMBLED PROPELLER, INSPECTED HUB WITH 10X POWER MICROSCOPE, FOUND CRACK IN NR 2 BLADE SOCKET, LAST THREAD IN 8 O'CLOCK POSITION, 1.50 INCHES TO 2 INCHES LONG. NOTE: THIS PROPELLER HAS TTSN UNKNOWN. TSO: 238.1 HOURS WITH 32 MONTHS SINCE LAST OVERHAUL. AD NOTE 89-26-08, OIL FILLING THIS PROPELLER PREVENTED A CATASTROPHIC FAILURE.