What was found
MCN - MAJOR REPAIR - C4 CHECK - GALVANIC CORROSION ON R-4 DOOR CUTOUT FLOOR SUPPORT AT BS 1650 - BS 1670, RBL 56. REPLACED R-4 DOOR CUTOUT FLOOR SUPPORT AT BS 1650 - BS 1670, RBL 56 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 - GALVANIC CORROSION ON R-4 DOOR CUTOUT FLOOR SUPPORT AT BS 1650 - BS 1670, RBL 56. REPLACED R-4 DOOR CUTOUT FLOOR SUPPORT AT BS 1650 - BS 1670, RBL 56 IAW B757 SRM 51-40-02.