As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INITIAL INSPECTION. CORROSION ON STRINGER 26L FROM FS 280-339 AT MAIN AVIONICS COMPARTMENT.(SM)(E/E)(TCI 100-09). COMPLETE: SUMMARY: DUE TO EXCCESIVE CORROSION STRINGER 26L FROM FS = 280 - 339 IS OUT OF LIMIT OF ALLOWABLE DAMAGE PER SRM 53-21-03-101-002-A04 AND WAS REPLACED PER SRM 51-42-06-001-001-A01 AND 51-42-20-001-001-A01.