As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FRAME AT Y=980 BETWEEN LONGERONS 33L AND 33R CORROSION BLENDED OUT PAST LIMITATIONS. FRAME REPAIRED BY USING 2 ANGLES USED AS DOUBLER SUPPORTS AND ONE ANGLE DOUBLER FOR STIFFENER IAW RFTTS ENGINEERING DISPOSITION 24-28787, SRM 53-2-0 AND TREATED AREA IAW SRM 51-1-8.