What was found
ROUGHLY 15 MINUTES INTO FLIGHT, THE ENGINE LOST MANIFOLD PRESSURE. MAXIMUM M/P WAS 25 INCHES. INSPECTION FOUND THE NR 4 CYLINDER CRACKED AND STARTING TO MELT THE NR 6 CYLINDER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ROUGHLY 15 MINUTES INTO FLIGHT, THE ENGINE LOST MANIFOLD PRESSURE. MAXIMUM M/P WAS 25 INCHES. INSPECTION FOUND THE NR 4 CYLINDER CRACKED AND STARTING TO MELT THE NR 6 CYLINDER.