What was found
ABI - DURING AN MBV INSPECTION, SEAT TRACK 18.3L WAS FOUND CORRODED FROM STA 297.0 - STA 308.0. CUT OUT A 11 INCH SECTION OF SEAT TRACK, DEBURRED, ALODINED, PRIMERED, AND PAINTED EDGES. FABRICATED A 15 INCH LONG U-BEAM OF PLAL 7075-T76511 EXTRUDED MATERIAL. POSITIONED REPAIR U-BEAM INSIDE EXISTING SEAT TRACK AND DRILLED HOLES. INSTALLED SEAT TRACK IN AIRCRAFT. WORK DONE IAW SAAB 340 SRM 53-70-60. AIRCRAFT OK FOR SERVICE. (X)