As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 500 HR. VISUAL INSPECTION PER AD2000-01-16 PARA (D) FOUND LEFT ENGINE AFT CANTED BULKHEAD #5695005-11 AND SUPPORT DOUBLER #5695005-6 CORRODED AND HEAT DAMAGED COMPLETELY THROUGH STRUCTURE. DAMAGE LOCATED NEAR OUTBOARD SECTION ABOVE EXHAUST ELBOW CUT OUT AREA.