What was found
EXTERIOR FUSELAGE SKIN HAS EVIDENCE OF CORROSION AND BULGED SKIN AT SPLICE ARE BS 1455-BS 1462 STR 30-STR 28R. REMOVED FASTENERS AT STA 1459 STR 28R TO 28L AND 1 EA SHEAR TIE AT STA 1459 STR 30-29R, IAW B757 SRM 51-40-02. REMOVED 1 EA SHEAR TIE STA 1459 STR 30-29L. REMOVED CORROSION AND CHECKED FOUND MATERIAL LOSS .005, ORIG MATERIAL THICKNESS .060, IAW BAC DWG 146N3535. REMAINING MATERIAL .055 WITHIN LIMITS, IAW B757 SRM 53-00-01-1A, FIG 101 DETAIL II. REMOVED CORROSION ON STRAP AND CHECKED FOUND MATERIAL LOSS .004 ORIG MAT .070, IAW BAC DWG 146N3535 REMAINING MATERIAL .066 WITHIN LIMITS, IAW B757SRM 53-00-01-1A FIG 101 DETAIL II. ALODINE, PRIME & TOP COATED AREA, IAW B757 AMM 51-21-04-7 & AMM 51-21-15-7. MATERIAL ID FOR 2 NEW SHEAR TIES 7075-0 .045, FORMED 2 EA SHEAR TIES, IAW BAC DWG 140N2002-343/-344, HEAT TREATED 2 EA SHEAR TIES, PER BAC5602 REV AG/28 JUN 2019, CAA SHEAR TIES CHOMATC BAC5019 REV V. LOCATED AND DRILLED, IAW SRM 51-40-05. ALODINE, PRIME AND TOP COATED, IAW B757 AMM 51-21-04-7 AMM 51-21-15-7. INSTALLED SHEAR TIES, IAW B757 SRM 51-40-02.