What was found
NR 1 NACELLE STRUT I/B SKIN PANEL ASSY PN: 311N5046-34 HAS AREAS OF CORROSION C/M TO THE INNER SKIN SURFACE BETWEEN PP STA 153.9 AND PP 176 REMOVED CORROSION IAW SRM 54-50-01. ORIGINAL MATERIAL THICKNESS, 0.090", AFTER CORROSION REMOVAL, 0.063" AT PP STA 159, 0.019" AT PP STA 176. THIS IS OUT OF SRM 54-50-01 DETAIL V, FIG 101, SHEET 4 LIMITS. REMOVED AND REPLACED I/B SKIN PANEL IAW DRAWING 757-311N5002, SHEET 14, SRM 51-40-02 AND BOEING SB 757-54-0035.