As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT LONGITUDINAL FLOOR BEAM JUST PASS THE LT AND CENTER SHEAR PANELS HAS CORROSION AROUND RIVET HEAD AT FRAME 87. REMOVED AND REPLACED LH LONGITUDINAL BEAM BETWEEN FR 86-89 REF EMB SRM 51-40-08. REPLACED WITH FACTORY PART, NO CHANGE TO WEIGHT AND BALANCE.