As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRANKSHAFT IS BROKEN IN AREA OF NR6, NR5 ROD JOURNAL. CRANKSHAFT BROKE ON APPROACH TO LANDING AS PROP RPM CONTROL WAS ADVANCED ON SHORT FINAL. ENGINE POWER UNDER VERY LOW POWER. ENGINE HAS NOT BEEN DISASSEMBLED YET. THERE IS ALREADY AN AD NOTE TO TAKE THESE SHAFTS OUT OF SERVICE. IT WAS A NON VAR SHAFT. (K)