As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON THE AFT CARGO DOOR NUMBER 4 BEAM INNER CHORD AT STATION 175 COMMON TO A NUT PLATE SCREW HOLE. CORROSION WAS REMOVED AND REPAIR STRAP OF 0.063 INCHES 7075-T6 WAS INSTALLED OVER THE BLEND EXTENDING 3 FASTENERS ON EITHER SIDE OF THE DEEPEST LOCATION. ALODINE, PRIMER AND CIC WERE APPLIED TO THE AREA FOR CORROSION PREVENTION. EA COMP-52-009208.