As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ZONE 1 INSPECTION, CORROSION WAS FOUND THROUGHOUT LOWER SURFACE OF MAIN ROTOR BLADE. THE ALUMINUM WIRE MESH WAS FOUND WITH NUMEROUS CORROSION PITS THROUGHOUT THE LOWER SURFACE OF THE BLADE. REMOVED CORROSION AND SPOT PAINTED PER COMPOSITE REPAIR MANUAL. (X)