What was found
INSPECTION TYPE:4C, CORROSION ON MAIN CABIN INTERCOSTAL 20L STA 1321-1341. REMOVED FABRICATED AND INSTALLED REPLACEMENT INTERCOSTAL IAW EA011-5310-01-A3523 AND EO MD11-5310-44779-A.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
INSPECTION TYPE:4C, CORROSION ON MAIN CABIN INTERCOSTAL 20L STA 1321-1341. REMOVED FABRICATED AND INSTALLED REPLACEMENT INTERCOSTAL IAW EA011-5310-01-A3523 AND EO MD11-5310-44779-A.