ML12167A262

Enclosure - Davis-Besse 17RFO License Condition 2.C(7) SG Circumferential Crack Report

ML12167A262
Person / Time
Site:	Davis Besse
Issue date:	05/29/2012
From:	Division of Operating Reactor Licensing
To:
Michael Mahoney
References
Download: ML12167A262 (1)

Text

Davis-Besse 17RFO May 2012 2.C(7) Steam Generator Tube Circumferential Crack Report S/G Count Row Tube Ind Volts TSP Inch Probe %TW Ci Ext Degradation Mechanism Section a Section b Section c 1-B 1 42 111 SCI 0.36 LTE 1.43 520PP 39 0.2 Roll Trans PWSCC x 1-B 2 45 77 SCI 0.46 LTE 1.52 520PP 56 0.16 Roll Trans PWSCC x 1-B 3 45 86 SCI 2.34 UTE -0.11 520PP 96 0.53 Tube End PWSCC x 1-B 4 48 78 MCI 0.87 LTE 1.52 520PP 35 0.62 Roll Trans PWSCC x 1-B 5 50 78 SCI 0.49 LTE 1.59 520PP 99 0.37 Roll Trans PWSCC x 1-B 6 51 79 MCI 0.27 LTE 1.6 520PP 98 1.09 Roll Trans PWSCC x 1-B 7 52 76 MCI 0.35 LTE 1.53 520PP 73 1.09 Roll Trans PWSCC x 1-B 8 53 80 MCI 0.54 LTE 1.57 520PP 99 1.1 Roll Trans PWSCC x 1-B 9 54 79 MCI 0.4 LTE 1.62 520PP 94 1.03 Roll Trans PWSCC x 1-B 10 56 77 SCI 0.78 LTE 1.59 520PP 98 0.51 Roll Trans PWSCC x 1-B 11 57 80 SCI 0.23 LTE 1.53 520PP 98 0.3 Roll Trans PWSCC x 1-B 12 58 79 SCI 0.4 LTE 1.63 520PP 89 0.44 Roll Trans PWSCC x 1-B 13 59 30 SCI 0.56 LTE 1.49 520PP 58 0.18 Roll Trans PWSCC x 1-B 14 62 79 MCI 0.75 LTE 1.65 520PP 31 1.18 Roll Trans PWSCC x 1-B 15 65 30 SCI 0.26 LTE 1.58 520PP 32 0.18 Roll Trans PWSCC x 1-B 16 65 30 SCI 0.72 LTE 1.5 520PP 46 0.21 Roll Trans PWSCC x 1-B 17 66 81 SCI 0.75 LTE 1.65 520PP 65 0.2 Roll Trans PWSCC x 1-B 18 73 75 SCI 0.61 LTE 1.52 520PP 98 0.11 Roll Trans PWSCC x 1-B 19 77 68 MCI 0.92 LTE 1.6 520PP 66 0.23 Roll Trans PWSCC x 1-B 20 77 69 SCI 0.52 LTE 1.5 520PP 68 0.31 Roll Trans PWSCC x 1-B 21 78 68 MCI 0.67 LTE 1.6 520PP 96 0.25 Roll Trans PWSCC x 1-B 22 82 56 SCI 0.96 LTE 1.53 520PP 64 0.4 Roll Trans PWSCC x 1-B 23 84 73 SCI 0.46 LTE 1.51 520PP 68 0.15 Roll Trans PWSCC x 1-B 24 84 75 MCI 0.7 LTE 1.59 520PP 51 0.18 Roll Trans PWSCC x 1-B 25 86 53 SCI 0.45 LTE 1.6 520PP 51 0.18 Roll Trans PWSCC x 1-B 26 86 54 MCI 1.09 LTE 1.59 520PP 68 0.73 Roll Trans PWSCC x 1-B 27 86 69 MCI 0.6 LTE 1.63 520PP 63 0.18 Roll Trans PWSCC x 1-B 28 87 66 SCI 0.48 LTE 1.53 520PP 25 0.15 Roll Trans PWSCC x 1-B 29 87 70 MCI 0.29 LTE 1.62 520PP 50 0.18 Roll Trans PWSCC x 1-B 30 87 74 MCI 0.41 LTE 1.73 520PP 66 0.2 Roll Trans PWSCC x 1-B 31 89 59 SCI 0.79 LTE 1.61 520PP 48 0.23 Roll Trans PWSCC x 1-B 32 92 69 MCI 1.05 LTE 1.57 520PP 74 1.41 Roll Trans PWSCC x 1-B 33 94 53 MCI 0.56 LTE 1.58 520PP 99 0.37 Roll Trans PWSCC x 1-B 34 94 69 SCI 0.73 LTE 1.51 520PP 82 0.22 Roll Trans PWSCC x 1-B 35 94 73 SCI 0.34 LTE 1.58 520PP 39 0.2 Roll Trans PWSCC x 1-B 36 95 72 MCI 0.98 LTE 1.56 520PP 65 1.35 Roll Trans PWSCC x 1-B 37 98 93 SCI 0.43 LTE 1.58 520PP 52 0.23 Roll Trans PWSCC x 1-B 38 100 70 MCI 0.4 LTE 1.6 520PP 63 0.2 Roll Trans PWSCC x 1-B 39 106 69 SCI 0.72 LTE 1.79 520PP 66 0.18 Roll Trans PWSCC x 1-B 40 142 26 SVI 1.87 UTE -2.35 520PP 47 0.27 ID Mechanical x 2-A 41 20 15 SCI 0.44 UTE -3.2 520PP 33 0.36 Reroll Trans PWSCC x 2-A 42 20 85 SCI 1.88 UTE -0.28 520PP 37 0.51 Tube End PWSCC x 2-A 43 44 61 SCI 0.95 UTE -1.94 520PP 68 0.21 Roll Trans PWSCC x 2-A 44 72 63 SCI 0.76 UTE -1.37 520PP 29 0.25 Roll Trans PWSCC x 2-A 45 89 9 SCI 1.09 UTE -3.14 520PP 43 0.47 Reroll Trans PWSCC x 2-A 46 101 124 SCI 1.83 UTE -0.2 520PP 95 0.58 Tube End PWSCC x 0.05894 2-A 47 104 107 SCI 0.83 UTE -2.98 520PP 77 1.22 Reroll Trans PWSCC x 2-A 48 133 1 SCI 0.84 UTE -0.26 520PP 81 0.23 Tube End PWSCC x 0.05439 2-A 49 151 7 SCI 2.43 UTE -0.3 520PP 60 0.43 Tube End PWSCC x Page 1 of 1 Results as of: 2:40 PM, 5/29/2012 Enclosure 3