As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, LT WING LWR WING SKIN AT STR 9 FROM WING STA 519 TO STA 421.50 IS CORRODED. REMOVED CORROSION ON LT WING LWR IN SPAR SKIN, FOUND TO BE BEYOND ALLOWABLE LIMITS IAW B-727 SRM 57-30-1 FIG 1. FABRICATED AND INSTALLED DOUBLER AND TRIPLER IAW DWG FASI-026D-1 AND FORM 8110-3. LEAK CHECKED GOOD IAW B-727 MM 28-11-00.