What was found
INSPECTION TYPE:4C, CORROSION ON MAIN CABIN INTERCOSTAL 20L BS 1219-1239. REMOVED, FABRICATED AND INSTALLED REPLACEMENT INTERCOSTAL IAW EA011-5310-01-A3520 REV IR AND EO MD11-5310-44776 -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 BS 1219-1239. REMOVED, FABRICATED AND INSTALLED REPLACEMENT INTERCOSTAL IAW EA011-5310-01-A3520 REV IR AND EO MD11-5310-44776 -A.