What was found
AT RBL 45 STA 1148 FLOORBEAM UPPER FLANGE CORRODED DUE TO REPAIR ON SNRM NR N00516 1/4 INCH HOLE IN SEAT TRACK WILL NOT HAVE EDGE DISTANCE IF DRILLED IN SAME LOCATION AS ORIGINAL. DUE TO TEE CAP REPLACMENT A 1/4 INCH HOLE REQUIRED IN SEAT TRACK WOULD HAVE BEEN IN RADIUS OF TEE CAP. CUT OUT AND SPLICED IN NEW SECTION OF SEAT TRACK. REF SRM 53-10-5 FIG 1 AND RELOCATED AFFECTED FASTENER HOLE. EA 7-5310-123825 AUTHORIZES MATERIAL SUBSTITUTION ON STRAP. THIS IS CLASSIFED AS A MAJOR REPAIR. SECTION REPLACED IS FROM STA 1100-1148