What was found
UPPER CABIN SEAT TRACK FS 1320 TO 1540 LBL 45.5 HAS SCRATCHES AND TOOL MARKS WITH CORROSION IN NUMEROUS AREAS. REMOVED CORROSION ON SEAT TRACK AND FOUND TO BE OUT OF LIMITS IAW SRM 53-00-52. REMOVED SEAT TRACK IAW SRM 51-40-02. REMOVED ANGLE, IAW SRM 51-40-02. FABRICATED SEAT TRACK ON SHOP TRAVELER NR T10/816709, FROM BAC1520-792, IAW SRM 53-00-52. FABRICATED ANGLE, BATCH NR 1672485, IAW SRM 53-60-51. LOCATED AND DRILLED ANGLE AND SEAT TRACK IAW SRM 51-40-02. TREATED AND PRIMED IAW SRM 51-20-01. INSTALLED SEAT TRACK AT BS 1320- 1540, LBL 45.5, AND ANGLE, IAW SRM 51-40-02. THIS REPAIR IS CLASSIFIED AS A CAT. "A" MAJOR REPAIR.