What was found
PROPELLER WAS BROUGHT IN FOR REPAIR, DUE TO RED DYE LEAKAGE. DURING THE COURSE OF INSPECTION, A CRACK WAS FOUND. THE HUB IS CRACKED ON THE REAR SIDE OF BLADE SOCKET NR 1. ACFT ENG IS A O470-50 WITH A P PONK CONVERSION, STC SA02092SE, WHICH RAISES THE HORSEPOWER PRODUCED BY THE ENG, THE INCREASED HORSEPOWER COULD BE A PROBABLE CAUSE. DEFINITIVE CAUSE IS UNKNOWN. THE OWNER OF THE PROPELLER HAS BEEN NOTIFIED THAT THE HUB IS TO BE RETIRED AND REPLACED.