What was found
MULTIPLE SCREW HOLES CORRODED ON FLOORBEAM AT LBL 27 AT CARGO DOOR FS 589-FS 605. DAMAGE IS OUT OF LIMITS IAW GREO 601R-53-00-0005, REV B. FOUND NUMEROUS AREAS ON SECTION OF FLOORBEAM FS 589-605.00 TO BE EXFOILATED AND BEYOND LIMITS IAW REO 601R-53-00-005. DRILLED AND LOCATED NEW SERVICEABLE SEAT RAIL BEAM FS 589-605, LBL 27 IAW DWG NR 601R35031 AND SRM 51-40-06 AND 51-40-11-00. STARTED INSTALLTION OF SEAT RAIL BEAM ASSY AT LBL27, FS561-FS621 IAW SRM 51-42-21. COMPLETED INSTALLTION OF SEAT RAIL BEAM, EXCEPTS NOTED BELOW IAW REO 601R-53-61-3778. SEAT RAIL FITTING DOES NOT REQUIRE A REPLACEMENT FOUND SURFACE CORROSION AND BLENDING IAW SRM 51-21-06. MECHANICALLY MEASURED DEPTH WITH TOOL ITEM MACT 2886 AND VERIFIED NO MATERIAL LOSS IAW DWG 601-35017. REPLACED SURFACE FINISH IAW SRM 51-21-16. COMPLIED WITH ECTC REO 601R-53-61-3778 AND GREO 601R-5361-3778, REV A.