As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 6 CONNECTING ROD FRACTURED APPROXIMATELY 2 INCHES BELOW PISTON SKIRT. BREAK SHOWED EVIDENCE OF PROGRESSION OVER TIME. FINAL FRACTURE WAS APPROXIMATELY ONE-HALF THE DIAMETER OF THE ROD WITH SOME MINOR CORROSION EVIDENT ALONG THE BEGINNING OF THE CRACK. AREA OF BREAK WAS CONSISTENT WITH A STRESS RELATED BUILD-UP CAUSED BY NICKING THE ROD THROUGH POOR MAINTENANCE HANDLING DURING OVERHAULS. ENGINE HAD TWO MAJORS AND A TOP OVERHAUL LOGGED. MAGNAFLUXED AT LAST OVERHAUL.