As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AN E5 PART A INSPECTION, CORROSION DAMAGE WAS FOUND ON THE UPPER SURFACE OF THE CENTER OMEGA BEAM AT FRAME 16. THE DAMAGE CONSISTS OF 1 HOLE AND 4 AREAS OF PITTING. THE HOLE WAS CLEANED UP, DEBURNED AND SHARP EDGES REMOVED. THE 4 AREAS OF PITTING WAS ALSO CLEANED UP. AN EXTERNAL DOUBLER WAS THEN ADDED TO COVER ALL DAMAGED AREAS IAW AERODESIGN AIRCRAFT ENGINEERING REPORT NR 2181-7.