What was found
CRACKED INTERCOSTAL AT FWD CABIN BS380+7 LBL13. VERIFY CRACK ON ATTACH ANGLE COMMON TO INTERCOSTAL BS 380 + 7 LBL 13. PERFORMED HFEC OPEN HOLE INSPECTION IAW NDI PART 6, 51-00-00 PROCEDURE 16. NO CRACKS NOTED. ON FURTHER INVESTIGATION THE INTERCOSTAL AT FWD CABIN WAS FOUND CRACKED AT BS 380 + 14. ATTACH ANGLE COMMON TO INTERCOSTAL AT FWD CABIN WAS FOUND CRACKED AT BS 380 + 14. LOCATED AND DRILLED NEW INTERCOSTAL IAW SRM 51-40-05-0G-0 DWG 143A5410. LOCATED AND DRILLED NEW UPPER ANGLE ON INTERCOSTAL IAW SRM 51-40-05-0G-0 DWG 143A5410. INSTALLED NEW UPPER ANGLE ON INTERCOSTAL BS 380 TO BS 400 LBL 13; IAW SRM 51-40-02-0G-0; DWG143A5400 REV: A.