What was found
C4 CHECK LEVEL 2 FILIFORM CORROSION ON HAT STIFFENER AT BS 1656, LBL 63. REPLACED HAT STIFFENER AT BS 1656, LBL 63 IAW SRM 51-40-02 & DWG 146N8016.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
C4 CHECK LEVEL 2 FILIFORM CORROSION ON HAT STIFFENER AT BS 1656, LBL 63. REPLACED HAT STIFFENER AT BS 1656, LBL 63 IAW SRM 51-40-02 & DWG 146N8016.