What was found
CORROSION ON AFT LH BEAM AT FR 87, Y=-10.748 (MAJOR REPAIR) (LEVEL 2 CORROSION) BLENDED CORRODED AREA ON AFT LH BEAM AT FR 87, Y=-10.748" PER EMB-175 SRM 51-10-03. BLENDED AREA MEASURES (L=1.8?, W=.9?, H= .022?). ORIGINAL MATERIAL IS .070? REMAINING MATERIAL IS .048? AND IS FOUND TO BE OUT OF ALLOWABLE LIMITS PER EMB-175 SRM 53-23-10/AD02. LOCATED, DRILLED, AND TREATED HOLES IN NEW AFT LH BEAM (PN:170-65669-003) PER EMB-175 SRM 51-40-02. ALODINE PER EMB-175 SRM 51-23-04. RESTORED FINISH TO FASTENERS ON AFT LH BEAM PER EMB-175 SRM 51-23-06 ETN-EJ-51-015. APPLIED CIC PER EMB-175 CPM 51-25-00. REMOVED AND REPLACED AFT LH BEAM PER EMB-175 SRM 51-40-08. LEVEL 2 CORROSION