What was found
STA 986 BETWEEN LBL 9 AND RBL 27.5 UPPER T-CAP HAS SCRIBE MARKS. GROUNDED - YES. UPON EVALUATION OF SCRIBE LINES ON STA 986 UPPER T-CAP. FOUND UNDERLYING CORROSON ON PREVIOUS REPAIR. REMOVED CORROSION FROM UPPER T-CAP PREVIOUS REPAIR STA 986. ORIGINAL MAT THICK .150, MAT REMOVED .012, MAT REMAINING .138. FOUND TO BE OUT OF LIMITS I.A.W B737-800 SRM 53-70-51-1A-1. REMOVED REQUIRED SURROUND STRUCTURE & EXISTING T-CAP REPAIR. FABRICATED NEW T-CAP USNG BAC1505-101474 707-T6511 PO#1074691.1 INSTALLED FABRICATED REPAIR T-CAP & SURROND STRUCTURE. ALL WORK PERFORMED I.A.W B737-800 SRM 51-40-02, 53-70-51-2R-4.