What was found
DURING A ROUTINE C CHECK INSPECTION, FOUND LT FUSELAGE TAIL SECTION LONGERON CRACK DAMAGE AT STA 1785.00 L-17 LT. REPAIR WAS ACCOMPLISHED IAW DC8 SRM 53-1-0 PG1, DC8 SRM 53-5-3 FIG 5 SHEET 1. REMOVED CRACKED LONGERON 171 IAW DC8 SRM 51-1-21 PG 1. FABRICATED NEW LONGERON ( EXTRUSION S 1616757) IAW DDC8 SRM 53-5-3 FIG 5 SHEET 1. CLEANED, TREATED AND PRIMED IAW DC8 SRM 51-1-8B. INSTALLED NEW LONGERON IAW DC8 SRM 51-3-0 PG 1-2 DC8 SRM 51-1-21 PG 1 DC8 SRM 51-1-20D PG9.