What was found
PROPELLER WAS RECEIVED FOR OVERHAUL. AFTER DISASSEMBLY, THE BEARINGS, BALLS, PISTON, AND FERRULES CONDEMNED DUE TO CORROSION. HUB WAS STRIPED AND CLEANED FOR INSPECTION. HUB WAS DISCOVERED CRACKED IN NR 1 BLADE SOCKET, 7 TO 5 O'CLOCK POSITION, ABOUT 2 INCHES LONG. CRACK DISCOVERED BY 10X POWER MISCROSCOPE. NO OTHER INFORMATION AVAILABLE DUE TO NO LOG BOOK. PROPELLER PARTS WERE RETURNED TO CUSTOMER. AVIATION PROPELLER INC. WORK ORDER NR 27861.