What was found
LEFT HAND ECS BAY - CENTER TANK LOWER SKIN ATTACH ANGLE VISIBLY CRACKED AT FASTENER - BS663; LBL 09 REMOVED DAMAGED SECTION OF THE ATTACH ANGLE I/A/W B737-700 SRM 57-10-10-2R-5 REPAIR 5 STEP 4.B.PERFORMED DVI OF REPAIR AREA I/A/W B737-700 SRM 57-10-10-2R-5 REPAIR 5 STEP 4.D. NO DEFECTS NOTED.VERIFIED STEPS 1; 2 AND 3; HFEC IAW B737 NDT PART 6; 51-00-00 PROC 16.BEGAN LOCATING AND DRILLING -1 REPLACEMENT ANGLE AND -2 SPLICE ANGLE I/A/W B737-700 SRM 57-10-10-2R-5 REPAIR 5 STEP 4.I. FINISHED LOCATING; DRILLING AND FINAL TRIM ON -1 AND -2 REPAIR PARTS I/A/W B737-700 SRM 57-10-10-2R-5 REPAIR 5 STEP 4.I. THROUGH 4.K. APPLIED ALODINE AND PRIMED -1 AND -2 REPAIR PARTS AND REPAIR AREA I/A/W B737-700 SRM 57-10-10-2R-5 REPAIR 5 STEPS 4.F. AND 4.G INSTALLED -1 AND -2 REPAIR PARTS I/A/W B737-700 SRM 57-10-10-2R-5 REPAIR 5 STEP 4.L.(3) THROUGH (7).SEALED REPAIR PARTS I/A/W B737-700 SRM 57-10-10-2R-5 REPAIR 5 STEP 4.N.; CAP SEALED TANK FASTENERS INTERNALLY IAW SRM 57-10-10-2R-5 REPAIR 5 STEP L.