What was found
CABIN FLOOR HAVE CORROSION ON BEAM AT FR 87 AND AT Y +12 (MAJOR REPAIR) (LEVEL 2 CORROSION) BLENDED CORROSION ON BEAM AT FRAME 87 AND Y + 12 IAW E-175 SRM 51-10-03. ORIGINAL THICKNESS .080", MATERIAL REMOVED- .078", FOUND TO BE OUT OF ALLOWABLE LIMITS IAW E-175 SRM 51-75-16. LOCATED AND DRILLED NEW BEAM P/N# 170-65669-004 PER E175 SRM 51-40-02. REPLACED CABIN FLOOR BEAM AT FR 87 Y +12 PER E175 SRM 51-40-08. RESTORED FINISH ON CABIN FLOOR BEAM AT FR 87 AND AT Y +12 PER E175 SRM 51-23-06 ETN-EJ-51-015 AND E175 CPM TASK 51-25-00-910-001-A