As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING L-CHECK FOUND CORROSION ON THE CTR WING TANK UPPER SKIN AT STA 1241, LBL 106. REPAIRED IAW ERA 480488-14AD SECTION I. FOLLOW UP ACTION REQUIRED IAW SECTION II PRIOR TO ACCUMULATION OF 20,000 TOTAL CYCLES OR 100,000 TOTAL FLIGHT HOURS WHICHEVER OCCURS FIRST.