As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED INSPECTIONS, A CORROSION WAS FOUND ON THE CENTER WING UPPER SKIN, L/H WS1175 TO WS3500 . ASSEMBLY OF A TECHNICAL DATA PACKAGE IS CURRRENTLY IN WORK. ONCE THE REPAIR IS COMPLETED, SUPPLEMENTAL INFORMATION MAY BE ADDED TO THIS SDR.