What was found
ABI - DURING MBV INSPECTION, SEAT TRACK 18.3L FS 594.5 - FS 696.0 WAS FOUND CORRODED BEYOND SRM LIMITS. CUT OUT 91.5 INCH SECTION OF EXISTING SEAT TRACK. FABRICATED A 91.5 INCH LONG EXTRUSION OF 4650000-043 SHPAL 7075-T76511 EXTRUDED MATERIAL. FABRICATED A 15 INCH LONG U-BEAM OF PLAL 075-T7351 MATERIAL. INSTALLED U-BEAM AND EXTRUSION IN AIRCRAFT. WORK DONE IAW SAAB 340 SRM 53-70-60 AND STANDARD PROCEDURES. AIRCRAFT OK FOR SERVICE. (X)