As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SPOT CORROSION WAS FOUND ON THE NUMBER 4 BEAM INNER CHORD OF THE AFT CARGO DOOR. DURING THE DISMANTLING THE INNER CHORD BUCKLED IN THE MIDDLE OF THE BEAM AT STATION 200. REPAIRED CHORD USING 1 FORMED ANGLE AND A REPAIR STRAP. THE CORROSION WAS LIMITED TO 3 NUT PLATE FASTENERS. BLEND LOCATIONS ARE AT STATIONS 169, 175, AND 224 AND WERE REPAIRED USING STRAPS AND NESTED FORMED ANGLES.