As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ID3 INSPECTION, CORROSION WAS NOTED ON LEFT WING PANEL LAND FOR ACCESS PANEL 521GB. EDDY CURRENT AND ULTRASONIC NDT INSPECTION REVEALED CORROSION BEYOND PUBLISHED LIMITS. AIRCRAFT WAS FERRIED TO MANUFACTURER FOR REPAIR. AIRCRAFT WAS REPAIRED IAW S-750-0082/03RD.