As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER WING UPPER SKIN SURFACE ABOVE UPPER AUX TANK CORRODED. LOCATION AT STA 1235, RIGHT X = 30. CENTER WING UPPER SKIN SURFACE ABOVE UPPER AUX TANK AT STA 1235 RH X = 30 CORRODED AREA CARRIED OUT REPAIR IAW EA 1 5710-74294, WINGS - CENTER WING UPPER PANEL - SKIN CORROSION