As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER A SCOOPING RUN THE CREW NOTICED A 30 DROP IN THE BMEP ON THE LT ENGINE. LOAD WAS DROPPED AND A/C CLIMBED TO 2500 FT AND EXECUTED A PRECAUTIONARY ENGINE SHUT DOWN. THE A/C FLEW TO BASE WHERE IT LANDED UNEVENTFULLY. THE NR 5 CYLINDER WAS CRACKED. CYLINDER WAS REPLACED & A/C RETURNED TO SERVICE.