As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN, BS 1680-1720, LBL 54-RBL 54 MEMBRANE UPPER SURFACE HAS MULTIPLE AREAS OF CORROSION. REMOVED CORROSION IAW SRM 51-10-02 AND 51-20-01. COMPLIED WITH UT THICKNESS INSPECTION TO AREAS IAW NDTM P4 51-00-10. FOUND TO BE OUT OF LIMITS IAW SRM 53-60-51, FIG 10. REPAIRED IAW AMM 51-21-00.