As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON UPPER AND LOWER SIDE OF AFT LOWER FLANGE OF FRAME 1309, LONGERON 28 RIGHT TO LONGERON 28 LEFT. INSTALLED REPAIR DOUBLER ON UPPER AND LOWER SIDE OF AFT LOWER FLANGE 1309, LONGERON 28 RIGHT TO LONGERON 28 LEFT PER SRM 53-03-00 FIGURE 2A SHEET 2.