What was found
ER/A 635349-14; A220-100 / FWD & CNTR WING TO BODY FAIRING / MULTIPLE LONGERON / CORROSION. SUBJECT REPAIR REQUIRES FOLLOW-ON ACTION. ACCOMPLISH 635349-14, SECTION II REPETITIVE INSPECTION WITHIN EVERY 1,000 FLIGHT HOURS FROM 12,873 TOTAL AIRCRAFT FLIGHT HOURS AS OF 26JUN26 UNTIL SECTION III IS ACCOMPLISHED. ACCOMPLISH SECTION III PERMANENT REPAIR WITHIN 10,000 FLIGHT HOURS FROM 12,873 TOTAL FLIGHT HOURS AS OF 26JUN26. ADDITIONAL ENGINEERING AUTHORIZATION (ER/A REVISION) IS REQUIRED FOR FLIGHT BEYOND THIS LIMIT. ASSOCIATED ER/A 00-635349 ADDED FOR AC 8132. (LP# 1674872; AIRCRAFT WAS GROUNDED)