As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE CPCP CHECK INSPECTION, FOUND FORWARD PIT FS 686 S26R TO 25R HAS SURFACE CORROSION ON INTERNAL SKIN. CORROSION OUT OF LIMITS IAW B727 SRM 53-30-1. REPAIRED IAW SRM 53-30-3 FIG 5 PN=2024-T3. CORROSION TASK CARD NUMBER C53-113-01. NON-ROUTINE TASK CARD NUMBER 108604.