What was found
C4 CHECK LEVEL 2 INTERGRANULAR CORROSION ON INTERCOSTAL BETWEEN BS 780 TO BS 800, BL0. REPLACED INTERCOSTAL BETWEEN BS 780 TO BS 800, BL0 IAW SRM 51-10-02, 53-00-71-1A 51-40-02, & DRAWING 149N7129.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
C4 CHECK LEVEL 2 INTERGRANULAR CORROSION ON INTERCOSTAL BETWEEN BS 780 TO BS 800, BL0. REPLACED INTERCOSTAL BETWEEN BS 780 TO BS 800, BL0 IAW SRM 51-10-02, 53-00-71-1A 51-40-02, & DRAWING 149N7129.