As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LOWER SILL BEAM OF THE C2 DOOR OPENING WAS BADLY CORRODED AND REQUIRED REPLACEMENT. TO REMOVE AND INSTALL A NEW SECTION, THE OUTER CHORD OF THE FS 1440 OPENING FRAME WAS CUT AT STRINGER 26R AND THE WEB CUT AT STRINGER 23R. THE LOWER SECTIONS WERE REMOVED AND RE-INSTALLED AFTER THE SILL REPLACEMENT. THE WEB WAS SPLICED PER SRM AND THE CHORD WITH ALUMINUM ANGLES PER ER/A 381623-14, REV A.