As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRANKSHAFT BROKE IN HALF. CRACK WAS LATERAL ACROSS THE THROW IN FRONT OF THE MIDDLE JOURNAL AND BEHIND THE NR 1 AND NR 2 CRANK PIN. CRACKSHAFT MARKINGS W5340 BS N50. ENGRAVED ON END R19119-1 AND S91660-1. LOWER END OVERHAULED, CASE INSPECTED AND CONDEMNED AFTER DISASSEMBLY.