What was found
MCN - MAJOR REPAIR - C4 CHECK - NR 6056657, CORROSION ON INTERCOSTAL, BS 1500 - BS 1520, S29R. REPLACED INTERCOSTAL, BS 1500 - BS 1520, S29R IAW B757 SRM 51-40-02.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MCN - MAJOR REPAIR - C4 CHECK - NR 6056657, CORROSION ON INTERCOSTAL, BS 1500 - BS 1520, S29R. REPLACED INTERCOSTAL, BS 1500 - BS 1520, S29R IAW B757 SRM 51-40-02.