What was found
INSPECTION TYPE:4C, CORROSION ON MAIN CABIN INTERCOSTAL 20L STA 1401-1421. REMOVED FABRICATED & INSTALLED REPLACEMENT INTERCOSTAL 20L STA. 1401- 1421 IAW STA SA EA011-5310-01-A3527 REV IR AND EO MD11-5310-44783-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 1401-1421. REMOVED FABRICATED & INSTALLED REPLACEMENT INTERCOSTAL 20L STA. 1401- 1421 IAW STA SA EA011-5310-01-A3527 REV IR AND EO MD11-5310-44783-A.