What was found
LT WING L/E FOUND 1 CRACK 5 INCHES LONG ON EXT SKIN AND 1 CRACK .50 INCH ON TEE ANGLE INT SIDE AT STA XORS 511(SEE NRC N00324). REMOVED DOOR AND FASTENERS TO GAIN ACCESS IAW SRM 51-31-01 PAGE 36/41. PERFORMED HFEL INSP IAW NDI SPM 06-20-01 FOUND CRACK. REMOVED INTERNAL WEB AND RIVET SKIN AND RIB IAW SRM 51-35-01 PAGE 1/13. REMOVED TEE IAW DWG ARB 1137 AND SRM 51-35-01 PAGE 1/13 SRM 51-33-01 PAGE 34/47. FOUND P/N ARB1187-7 RIB BROKEN, REMOVED SLAT NR 4LH IAW MM 27-80-01-4. REPLACED DAMAGED HARDWARE IAW MM 27-80-01-4 AND INSTALLED SLAT NR 4 LT IAW MM 27-80-01-4.