As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE CPCP INSPECTION, FOUND LEVEL 2 CORROSION. CORROSION ON UPPER CUSP FITTING AT FS 580 LT. REMOVED UPPER CUSP FITTING AT STA 580 LT. CORROSION EVALUATION BEYOND LIMITS IAW DC8 SRM 53-2-0. TREATED AND PRIMED AREA IAW DC8 SRM 51-1-8. INSTALLED NEW FITTING IAW DC8 SRM 51-1-20, 51-1-20D. CORROSION TASK CARD NUMBER 573L-0551. NON-ROUTINE NR 04816 TASK NR X0057.