As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT WING REAR UPPER SPAR CAP IN NACHELL/EXHAUST AREA AND OUTBOARD WS 80.0-100.0 APPROX. 20 INCHES, WAS FOUND DURING VISUAL INSPECTION, TO HAVE SEVERE EXFOLIATED INTERGRANULAR CORROSION RINDERING THIS SECTION OF SPAR TO BE UNSERVICABLE. ALSO JUST I/B OF BATTERY BOX ON THE FORWARD SPAR IS AN AREA OF HEAVY SURFACE CORROSION CAUSED BY BATTERY ACID/FUMES ON THE LOWER CAP AND WEB. WS 85.0-89.5