As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REPAIRED NUMEROUS AREAS ON LOWER FUSELAGE SKIN, DOUBLERS, AND STRINGERS OF THE DROP AISLE AREA BETWEEN FS 157 AND FS 426 BY BLENDING OUT CORROSION, PERFORMING NDT AND INSTALLING DOUBLERS AND FILLERS AS REQUIRED PER RESEARCH AND DEVELOPMENT MRO ENGINEERING REPAIR ORDER.