As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER REMOVAL OF WEB AT BS 1263-1285, STRINGER 34L FROM THE AFT LOWER CARGO, FOUND WEB TO BE CORRODED. WEB AND STIFFENERS CORRODED 100%. OUT OF LIMITS IAW SRM 53-00-04, FIGURE 101. FABRICATED A NEW WEB AND STIFFENERS IAW DRAWING 146T5000 AND INSTALLED.