What was found
LT 280 WEB, AFT SIDE HAS MINOR CORROSION. REMOVED MINOR CORROSION ON LT WEB AFT SURFACE PER CRJ700 SRM 51-12-00. REMOVED 4 RIVETS ON LOWER INBOARD CORNER. MEASURED BLENDED AREA OF 280 WEB AT 2 TO 6 INCHES OUTBOARD OF LBL 9 DEPTH AT .005 IAW SRM 53-11-10. RE-MEASURED BLENDED AREAS OF THE LT 280 WEB AFT SIDE MECHANICALLY. MAX MATERIAL REMOVED IS .005. BLENDED AREA WITH IN LIMITS PER SRM 53-11-10. REPLACED REMOVED RIVETS ON LT FS 280 WEB AND RESTORED A023 FINISH IAW SRM 51-42-06, SRM 51-42-16.