As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CHECK-C MAINT FOUND CORROSION AT AFT END OF LONGERON SPLICE BETWEEN FORMERS 1297 AND 1309 LONGERON 25L. REPLACED LONGERON 25L SPLICE WITH NEW BETWEEN STA 1297 TO 1309 PER SPM 6-70-01 AND SRM 53-02 FIGURE 18. INSTALLED FASTENERS PER SRM 51-30-5 AND SRM 51-30-02.