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 ON AFT FACE AND TROUGH OF FORMER AT STA 1309, LONGERON 25L TO 28R. REMOVED LIGHT CORROSION PER SPM 6-80-01. ALODINED AND PRIMED PER SRM 51-10-3. REINSTALLED FLOOR SUPPORT BRACKET AND REINSTALLED LONGERON FASTENERS AS NEEDED.