What was found
ABI - DURING MBV INSPECTION SEAT TRACK BL 0 TO STATION 638-686 WAS FOUND CORRODED. CUT OUT 47.5 INCH SECTION OF SEAT TRACK DEBURRED, ALODINE, PRIMERED, AND PAINTED EDGES. FABRICATED A 47.5 INCH LONG EXTRUSION OF 4650000-043 SHPAL 7075-T76511. FABRICATED A 15 INCH U-BEAM OF PLAL-7075-T7351 MATERIAL, DEBURRED, ALODINE, AND PAINTED. POSITIONED REPAIR BEAM INSIDE EXISTING TRACK AND INSTALLED IN AIRCRAFT. REPAIR DONE IAW SAAB SRM 53-70-60 AND STANDARD SRM PROCEDURES. AIRCRAFT OK FOR SERVICE. (M)