What was found
PDX - C4 - CORROSION AT RT LOWER BULKHEAD AT FS 280 RBL 9 TO RBL 18. BLENDED CORROSION, FOUND TO BE OUT OF LIMITS PER REO 670-53-11-052. REMOVED RT LOWER WEB PER REO 670-53-11-05 REPAIR NR 2, DRILLED AND DEBURRED NEW WEB REF REO 670-53-11-05 REPAIR NR 2. INSTALLED LOWER WEB IAW REO 670-53-11-052. INSTALLED UPPER WEB IAW CRJ700 SRM 51-42-06, 51-42-13 AND REO 670-53-11-052. INSTALLED SPLICE STRAP REF REO 670-53-11-052 AND CRJ 700 SRM 51-42-06 AND 51-42-13.