As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT WING L/E SUPPORT RIB AT OFSS306 (SS 72.88) HAS CORROSION ON OUTER FACE COMMON TO O/B TAI DUCT. ; / [01] UPDATED MEASUREMENT SECTION; [02] UPDATED PARTS SECTION.; [03] REMOVED AND REPLACED RT WING L/E SUPPORT RIB AT OFSS306 (SS 72.88) IAW SRM 51-40-02-0G-0 STEPS 4 AND 7 AND DWG# 116A5300; [04] VERIFIED CORRECTIVE ACTION 3.