What was found
DURING HEAVY CHECK INSPECTION CORRIOSON WAS FOUND ON THE RT WING AT THE AFT SPAR UPPER CAP VERTICAL FLANGE BETWEEN RIBS 27-30. CORROSION WAS FOUND TO BE OUT OF THE LIMITS OF THE SRM AND REQUEST FOR STRUCTURAL REPAIR INSTRUCTION WAS SUBMITTED. CORROSION WAS REMOVED AND DAMAGES BLENDED USING SRI DO/TS-3407/11-15469 ISSUE A AND SUBMITTED FOR APPROVAL. STRUCTURAL REPAIR APPROVAL SHEET (SRAS) DO/TS-3407/11...6533 WAS ISSUED. ALL WORK COMPLETED BY TECH SERVICES UNDER WO 17010, TASK 220. SUPPLEMENTARY INSP TASK: DVI OF BLENDED AREAS FOR NEW CORROSION DETECTION WITH THRESHOLD INTERVAL OF 2 YEARS.