What was found
CABIN OVERWING STRUCTURE FLOOR SUPPORT CRACKED AT STA 775 AND X-15. REMOVED FLOOR SUPPORT ON MAIN CABIN AT STA 775 AND X-15 IAW DC9 SRM 51-30-02, FABRICATED FLOOR SUPPORT IAW DC9 SRM 53-13-3, PG 26, FIG 11. INSTALLED FLOOR SUPPORT AT STA 775 AND X-15 IAW DC9 SRM 51-30-02.