What was found
DURING C16 CHECK DISCOVERED INTERCOSTAL CRACKED, 1.1 INCHES, AT BS 616 AND STR 15R. MAINTENANCE REMOVED INTERCOSTAL AT BS 616 AND STR 15R IAW BOEING 737-300 SRM 51-40-2-0G FIG 8. RECEIVED NEW INTERCOSTAL AND INSTALLED AT BS 616 AND STR 15R IAW BOEING 737-300 SRM 51-40-02-0G FIGURES 3, 8 AND 12.