What was found
SSI Z150-002 MULTIPLE ATTACHING PARTS ON FRAME 75 CORRODED BEYOND LIMITS. 00571/1645 - SHEAR CLIP CORRODED ON FRAME FR75 BETWEEN 25L AND 24L 0572/1646 - SHEAR CLIP CORRODED ON FRAME FR75 BETWEEN 29L AND 29R 00573/1647 - SHEAR CLIP ON FRAME FR75 CORRODED BETWEEN 29L AND 28L (MAJOR REPAIR)) (LEVEL 2 CORROSION). 00571/1645 - SHEAR CLIP ON FRAME 75 BETWEEN STRINGER 25L AND 24L HAS 100% MATERIAL LOSS. ORDERED AND RECEIVED NEW SHEAR CLIP PN 170-91911-001. LOCATED, DRILLED AND DEBURED NEW SHEAR CLIP IAW E-175 SRM 51-40-02. TOPCOATED FASTENERS IAW E-175 SRM 51-23-06 AND ENVOY-ETN-EJ-51-015. REMOVED AND REPLACED SHEAR CLIP ON FRAME 75 BETWEEN STRINGER 25L AND 24 L IAW E-175 SRM 51-40-08. 0572/1646 - SHEAR CLIP ON FRAME 75 BETWEEN STRINGER 29L AND 29R FOUND TO HAVE 100% MATERIAL LOSS. LOCATED, DRILLED, AND DEBURRED NEW SHEAR CLIP IAW E-175 SRM 51-40-02. PN 170-66348-001. TOPCOATED FASTENERS ON INTERNAL SIDE IAW E-175 SRM 51-23-06. REMOVED AND REPLACED SHEAR CLIP AT FRAME 75 BETWEEN STRINGER 29L AND 29R IAW E-175 SRM 51-40-08. 00573/1647 - SHEAR CLIP ON FRAME 75 BETWEEN 29L AND 28L HAS 100% MATERIAL LOSS. LOCATED AND DRILLED NEW SHEAR CLIP PN:170-91960-001 PER EMB 175 SRM 51-40-02. TOPCOATED FASTENERS IAW E-175 SRM 51-23-06 AND ENVOY ETN-EJ-51-015. REMOVED AND REPLACED SHEAR CLIP ON FRAME FR75 BETWEEN 29L AND 28L IAW E-175 SRM 51-40-08.