As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE INSPECTION, FOUND THE RETAINING HARDWARE FOR THE EXHAUST DUCT WITHIN BOTH ENGINE COWLINGS WAS CORRODED BEYOND SERVICEABLE LIMITS. BOLTS AN4-4A AND NUTS MS21042L4. THIS INSPECTION TOOK PLACE AT 310.5 HOURS FROM OVERHAUL OF BOTH ENGINES. (X)