As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, NR 2 ENGINE RPM DECAYED RAPIDLY. SHUT DOWN NR 2 ENGINE AND LANDED WITHOUT INCIDENT. FOUND NR 2 ENGINE VALVE HOUSING DEFECTIVE. REPLACED NR 2 PROP VALVE HOUSING, PERFORMED ENGINE RUN SYSTEM OPS CHECKED GOOD PER SAT J/C 6103, 7101 AND 7101-2.