What was found
AFT CARGO BAY HAS CORROSION ON A FLOORBOARD SUPPORT AT FR 74 AND STR 28L-28R. (LEVEL 2 CORROSION). BLENDED CORROSION ON FLOOR BOARD SUPPORT IN AFT CARGO FR 74 STR 28L-28R IAW E-175 SRM 51-10-03 L=.050 W=.050 H= .008 MATERIAL REMOVED .008 FOUND TO BE OUT OF LIMITS IAW E-175 SRM 51-75-16 PART REQUIRES REPLACING : LOCATED,DRILLED, AND TREATED HOLES ON NEW FLOOR BOARD SUPPORT IN AFT CARGO AT FR 74 STR 29L-29R PER EMB-175 SRM 51-40-02. ALODINE PER EMB-175 SRM 51-23-04. INSTALLED FLOOR BOARD SUPPORT IN AFT CARGO FR 74 STR 29L-29R IAW E- 175 SRM 51-40-08 RESTORED FINISH ON FASTENERS ON INSIDE OF AFT CARGO FLOOR PANEL SUPPORT FR 74 STR 29L-29R IAW E-175 SRM 51-23-06 ENVOY ETN-EJ-51-015 APPLIED CIC TO FLOOR PANEL SUPPORT IAW E-175 CPM 51-25-00 RESTORED FINISH AT AFT CARGO FR 74 STR 28L-28R IAW E-175 SRM 51-23-06 ENVOY ETN-EJ-51-015