What was found
AFT CARGO COMPARTMENT SKIN PANEL HAS CORROSION AT FRAME 80-81 STR27R. (MAJOR REPAIR) (LEVEL 2 CORROSION) BLENDED CORROSION ON CENTER FUSELAGE III SKIN LOCATED BETWEEN FR80 AND FR81, STR25R AND STR26R REF EMBRAER 175 SRM 51-10-03. BLENDED AREA MEASURES L= 1.25" W= 1.10" H= 0.024". NMT= 0.- 078", RMT= 0.054". BLEND IS FOUND TO BE OUT OF LIMITS DUE TO MAXIMUM DEPTH AND DAMAGE IN A NO DAMAGE ALLOWED AREA IAW EMBRAER 175 SRM 53-23-01/AD01. PERFORMED CUTOUT TO REMOVE DAMAGE BETWEEN FRS80-81 AND STGRS 25R-26R PER EMB-175 SRM 51-75-00. CUTOUT MEASUREMENTS ARE L=1.1" W=0.8ORIGINAL DISCREPANCY LOCATION INCORRECT. LOCATED AND DRILLED REPAIR DOUBLER AND FILLER IAW ETD2025-170-930094 REV.- :B USING 2024T3-.100". TREATED AND PRIMED REPAIR DOUBLER AND FILLER IAW ETD2025-170-930094 REV.:B AND ETN-EJ-51-025. INSTALLED REPAIR DOUBLER AND FILLER IAW ETD2025-170-930094 REV.:B. REPAIRED FUSELAGE SKIN AT FR 80-81 AND STR 25R-26R IAW EMBRAER ETD2025-170-930094 REV.:B AND ENVOY ERS-EJ-53MR-5276. PN 170-65181-007