What was found
SAL - MAJOR REPAIR - DURING C11 CHECK DISCOVERED LEVEL 2 CORROSION LOCATED ON SILL (DECK PLATE) AT BS 1661+2 INCHES AND BL 57R. MAINTENANCE FOUND CORROSION TO BE OUT OF LIMITS IAW SRM 53-00-51-1A. MAINTENANCE REMOVED DAMAGED AREA IAW BOEING 757-200 51-70-11-0G. FABRICATED REPAIR ANGLE, CHANNEL AND FILLERS IAW BOEING 757-200 SRM 51-70-11-0G. INSTALLED FABRICATED REPAIR PARTS ON SILL (DECK PLATE) FROM BS 1661 TO BS 1681.8 AND BL 57R IAW BOEING 757-200 SRM 51-70-11-0G.