ML12167A062

Enclosure - Davis-Besse 17RFO SG Tube Inspection Tables

ML12167A062
Person / Time
Site:	Davis Besse
Issue date:	07/16/2012
From:	Michael Mahoney Plant Licensing Branch III
To:	Allen B FirstEnergy Nuclear Operating Co
Michael Mahoney
References
Download: ML12167A062 (11)

Text

Davis Besse 17RFO Eddy Current Exam Scope SG 2-A SG 1-B Inspection of all newly installed repair rolls. 0 0 Periphery AFW Header to tube gap analysis to determine if the header is moving. 336 378 Full length bobbin examination of all in-service non-sleeved tubing. 14552 14868 Full length bobbin examination of 100% of sleeves and of tubing below sleeves. 199 212 TM

+Point exam of the sleeve at the point of entry (USE) and parent tube pressure boundary portion extending approximately 6 inches past the sleeve end (LSE) of 100% of the sleeves (the parent tube 199 212 between the bottom of the upper most sleeve roll and the top of the middle sleeve roll may be excluded from inspection since it is not a pressure boundary).

+PointTM inspection of non-sleeved in-service upper tube roll expansions (100%) including non stress 14552 14868 relieved upper repair roll expansions and factory re-rolls.

+PointTM coil examination of 20% of the non-sleeved in-service tubes in the upper tube sheet region 2911 2974 from tube end including tube end, upper roll expansion and crevice to upper tube sheet exit.

+PointTM inspection of 20% of the in-service stress relieved lower tube roll expansions and tube ends in 2951 0 OTSG 2-A. (including tube 127-67 with NSRT)

+PointTM inspection of in-service stress relieved lower tube roll expansions and tube ends in S/G 1-B 0 15080 100%.

+PointTM coil examination of the tubes bordering the sleeve region. 86 85 TM

+Point coil examination of all of the flaw-like indications (I codes, TWD per 4.1.3.G and 4.2.3.G and 550 estimate 530 estimate new DNT) reported from bobbin.

+PointTM coil examination of all NQS and MBM indications above 10S -2. 220 estimate 240 estimate TM

+Point coil examination of all dent indications below 14S (100% sample of all previously reported 350 estimate 300 estimate and new dents using a 2.5 volt bobbin threshold).

+PointTM coil examination of all dent indications greater than or equal to 1 volt above 14S in the non-330 estimate 430 estimate periphery region.

+PointTM coil examination of all dent indications greater than or equal to 0.5 volts above 14S in the 29 estimate 19 estimate periphery region.

+PointTM coil sample inspection of lower tubesheet sludge pile region tubes. 1445 1687 TM Sleeve Bobbin and +Point coil inspection of all previously identified geometric distortions (40 tubes 0 40 SG 1-B).

+PointTM coil inspection of all previously identified and new magnetic stain (MAG) indications (22 0 22 tubes SG 1-B)

Visual Plug exams of all Plugs in Upper and Lower (100%) 1412 754 Total Examinations 40122 52699 Page 1 of 11 Results as of : 6:57 AM,5/23/2012 Enclosure 2

Davis-Besse 17 RFO May 2012 Axial Indications SG Count Row Tube Ind Volts TSP Inch1 Probe Depth Ax Len Deg Mode 2-A 1 22 92 MAI 1.97 UTE -2.99 520PP 84 0.19 ReRoll Transition PWSCC 2-A 2 29 89 MAI 0.97 UTE -3.62 520PP 72 0.22 ReRoll Transition PWSCC 2-A 3 28 81 MAI 0.58 UTE -3.50 520PP 80 0.17 ReRoll Transition PWSCC 2-A 4 30 79 MAI 1.34 UTE -2.97 520PP 58 0.19 ReRoll Transition PWSCC 2-A 5 81 52 SAI 0.10 UTS -4.73 520PP 56 0.20 Groove IGA 2-A 6 106 105 MAI 1.44 UTE -3.39 520PP 74 0.25 ReRoll Transition PWSCC 2-A 7 91 121 MAI 1.23 UTE -3.24 520PP 82 0.21 ReRoll Transition PWSCC 2-A 8 68 9 MAI 1.02 UTE -3.12 520PP 89 0.19 ReRoll Transition PWSCC 2-A 9 89 7 MAI 1.17 UTE -3.03 520PP 56 0.18 ReRoll Transition PWSCC 2-A 10 83 6 MAI 1.03 UTE -3.13 520PP 95 0.22 ReRoll Transition PWSCC 2-A 11 75 46 SAI 1.03 UTE -5.00 520PP 42 0.15 ReRoll Transition PWSCC 2-A 12 26 82 MAI 1.09 UTE -3.41 520PP 96 0.27 ReRoll Transition PWSCC 2-A 13 103 18 SAI 0.54 UTE -3.13 520PP 65 0.17 ReRoll Transition PWSCC 2-A 14 21 16 MAI 0.51 UTE -2.98 520PP 46 0.19 ReRoll Transition PWSCC 2-A 15 106 3 MAI 2.67 UTE -3.47 520PP 42 0.27 ReRoll Transition PWSCC 2-A 16 21 48 MAI 0.73 UTE -3.26 520PP 97 0.24 ReRoll Transition PWSCC 2-A 17 114 109 MAI 1.72 UTE -3.26 520PP 72 0.22 ReRoll Transition PWSCC 2-A 18 118 103 MAI 0.82 UTE -3.12 520PP 80 0.17 ReRoll Transition PWSCC 2-A 19 24 51 MAI 1.75 UTE -3.24 520PP 99 0.23 ReRoll Transition PWSCC 2-A 20 22 18 MAI 1.30 UTE -3.53 520PP 100 0.26 ReRoll Transition PWSCC 2-A 21 18 13 MAI 0.33 UTE -3.07 520PP 92 0.22 ReRoll Transition PWSCC 2-A 22 11 6 MAI 2.05 UTE -3.06 520PP 92 0.18 ReRoll Transition PWSCC 2-A 23 58 9 MAI 1.97 UTE -3.54 520PP 69 0.23 ReRoll Transition PWSCC 2-A 24 151 16 SAI 0.12 15S 3.44 520PP 51 0.32 Groove IGA 2-A 25 149 20 SAI 0.09 15S 1.48 520PP 42 0.35 Groove IGA 2-A 26 15 11 MAI 0.79 UTE -3.35 520PP 78 0.17 ReRoll Transition PWSCC 2-A 27 36 26 MAI 1.04 UTE -3.56 520PP 96 0.21 ReRoll Transition PWSCC 2-A 28 98 8 SAI 1.03 UTE -3.13 520PP 65 0.21 ReRoll Transition PWSCC 2-A 29 92 6 SAI 0.95 UTE -4.87 520PP 57 0.14 ReRoll Transition PWSCC 2-A 30 92 7 SAI 1.65 UTE -3.09 520PP 78 0.22 ReRoll Transition PWSCC 1-B 31 108 106 MAI 0.58 UTE -3.41 520PP 73 0.16 ReRoll Transition PWSCC 1-B 32 113 110 MAI 0.45 UTE -3.10 520PP 65 0.26 ReRoll Transition PWSCC 1-B 33 109 74 MAI 0.72 UTE -3.00 520PP 88 0.16 ReRoll Transition PWSCC 1-B 34 9 23 SAI 0.90 UTE -3.00 520PP 76 0.17 ReRoll Transition PWSCC 1-B 35 21 90 SAI 0.27 14S 31.50 520PP 54 0.58 Groove IGA 1-B 36 109 116 SAI 0.32 10S -2.23 520PP 19 1.59 Groove IGA 1-B 37 113 116 SAI 0.10 12S -15.25 520PP 15 0.30 Groove IGA 1-B 38 66 60 SAI 0.67 UTE -1.46 520PP 63 0.14 Roll Transition PWSCC 1-B 39 127 94 SAI 0.18 15S 1.44 520PP 14 0.60 Groove IGA 1-B 40 77 58 MAI 0.63 UTE -1.44 520PP 62 0.18 Roll Transition PWSCC 1-B 41 130 73 SAI 0.73 UTE -4.74 520PP 55 0.12 ReRoll Transition PWSCC 1-B 42 77 88 SAI 0.54 UTE -1.47 520PP 53 0.18 Roll Transition PWSCC 1-B 43 120 62 SAI 0.85 UTE -1.60 520PP 79 0.14 Roll Transition PWSCC 1-B 44 104 118 MAI 1.74 UTE -5.24 520PP 64 0.17 ReRoll Transition PWSCC 1-B 45 104 118 MAI 1.79 UTE -3.21 520PP 92 0.24 ReRoll Transition PWSCC 1-B 46 104 114 MAI 2.27 UTE -3.40 520PP 60 0.22 ReRoll Transition PWSCC 1-B 47 53 36 SAI 0.56 UTE -1.51 520PP 69 0.18 Roll Transition PWSCC 1-B 48 100 91 SAI 0.45 UTE -1.54 520PP 84 0.18 Roll Transition PWSCC 1-B 49 89 126 MAI 1.66 UTE -2.98 520PP 99 0.27 ReRoll Transition PWSCC 1-B 50 93 54 MAI 0.87 UTE -1.33 520PP 57 0.23 Roll Transition PWSCC 1-B 51 102 117 SAI 0.62 LTE 1.36 520PP 65 0.13 Roll Transition PWSCC 1-B 52 5 46 SAI 0.33 15S 4.83 520PP 31 0.87 Groove IGA 1-B 53 5 46 SAI 0.32 15S 4.55 520PP 31 1.93 Groove IGA 1-B 54 5 46 SAI 0.15 15S 2.77 520PP 46 0.28 Groove IGA 1-B 55 5 46 SAI 0.23 15S 4.07 520PP 25 0.76 Groove IGA 1-B 56 15 77 SAI 0.20 15S 2.53 520PP 63 0.17 Groove IGA 1-B 57 113 116 SAI 0.16 10S 7.68 520PP 2 0.63 Groove IGA 1-B 58 113 116 SAI 0.12 10S 8.67 520PP 47 0.48 Groove IGA 1-B 59 113 116 SAI 0.09 10S 10.91 520PP 31 0.60 Groove IGA 1-B 60 113 116 SAI 0.08 10S 11.63 520PP 8 0.31 Groove IGA 1-B 61 113 116 SAI 0.13 13S -17.27 520PP 58 0.19 Groove IGA 1-B 62 113 116 SAI 0.11 13S -18.45 520PP 70 0.22 Groove IGA 1-B 63 113 116 SAI 0.11 13S -15.60 520PP 35 0.43 Groove IGA 1-B 64 84 116 MAI 1.99 UTE -3.20 520PP 89 0.37 ReRoll Transition PWSCC Page 2 of 11 Results as of : 6:57 AM,5/23/2012 Enclosure 2

Davis-Besse 17 RFO May 2012 Axial Indications SG Count Row Tube Ind Volts TSP Inch1 Probe Depth Ax Len Deg Mode 1-B 65 53 94 MAI 1.57 UTE -3.33 520PP 56 0.22 ReRoll Transition PWSCC 1-B 66 38 18 MAI 0.81 UTE -2.95 520PP 90 0.24 ReRoll Transition PWSCC 1-B 67 37 102 SAI 0.59 UTE -1.88 520PP 89 0.17 Roll Transition PWSCC 1-B 68 83 56 MAI 1.23 UTE -1.56 520PP 62 0.18 Roll Transition PWSCC 1-B 69 86 55 SAI 0.90 UTE -0.99 520PP 69 0.20 Tube End PWSCC 1-B 70 66 50 MAI 1.01 UTE -1.46 520PP 69 0.15 Roll Transition PWSCC 1-B 71 124 65 SAI 0.11 14S 1.50 520PP 85 0.29 Groove IGA 1-B 72 29 97 SAI 0.70 UTE -1.60 520PP 49 0.13 Roll Transition PWSCC 1-B 73 86 56 SAI 0.48 UTE -1.47 520PP 55 0.15 Roll Transition PWSCC 1-B 74 86 58 MAI 0.73 UTE -1.51 520PP 65 0.23 Roll Transition PWSCC 1-B 75 27 100 SAI 0.27 15S -1.33 520PP 15 0.61 Groove IGA 1-B 76 8 42 SAI 1.25 UTE -3.02 520PP 100 0.17 ReRoll Transition PWSCC 1-B 77 29 83 SAI 0.41 UTE -3.20 520PP 47 0.12 ReRoll Transition PWSCC 1-B 78 100 50 SAI 0.53 UTE -1.21 520PP 58 0.12 Roll Transition PWSCC 1-B 79 87 68 SAI 1.25 UTE -1.77 520PP 65 0.20 Roll Transition PWSCC Page 3 of 11 Results as of : 6:57 AM,5/23/2012 Enclosure 2

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 1 45 77 SCI 0.46 LTE 1.52 520PP 56 0.16 Roll Trans PWSCC x 1-B 1 45 86 SCI 2.34 UTE -0.11 520PP 96 0.53 Tube End PWSCC x 1-B 1 48 78 MCI 0.87 LTE 1.52 520PP 35 0.62 Roll Trans PWSCC x 1-B 1 50 78 SCI 0.49 LTE 1.59 520PP 99 0.37 Roll Trans PWSCC x 1-B 1 51 79 MCI 0.27 LTE 1.6 520PP 98 1.09 Roll Trans PWSCC x 1-B 1 52 76 MCI 0.35 LTE 1.53 520PP 73 1.09 Roll Trans PWSCC x 1-B 1 53 80 MCI 0.54 LTE 1.57 520PP 99 1.1 Roll Trans PWSCC x 1-B 1 54 79 MCI 0.4 LTE 1.62 520PP 94 1.03 Roll Trans PWSCC x 1-B 1 56 77 SCI 0.78 LTE 1.59 520PP 98 0.51 Roll Trans PWSCC x 1-B 1 57 80 SCI 0.23 LTE 1.53 520PP 98 0.3 Roll Trans PWSCC x 1-B 1 58 79 SCI 0.4 LTE 1.63 520PP 89 0.44 Roll Trans PWSCC x 1-B 1 59 30 SCI 0.56 LTE 1.49 520PP 58 0.18 Roll Trans PWSCC x 1-B 1 62 79 MCI 0.75 LTE 1.65 520PP 31 1.18 Roll Trans PWSCC x 1-B 1 65 30 SCI 0.26 LTE 1.58 520PP 32 0.18 Roll Trans PWSCC x 1-B 1 65 30 SCI 0.72 LTE 1.5 520PP 46 0.21 Roll Trans PWSCC x 1-B 1 66 81 SCI 0.75 LTE 1.65 520PP 65 0.2 Roll Trans PWSCC x 1-B 1 73 75 SCI 0.61 LTE 1.52 520PP 98 0.11 Roll Trans PWSCC x 1-B 1 77 68 MCI 0.92 LTE 1.6 520PP 66 0.23 Roll Trans PWSCC x 1-B 1 77 69 SCI 0.52 LTE 1.5 520PP 68 0.31 Roll Trans PWSCC x 1-B 1 78 68 MCI 0.67 LTE 1.6 520PP 96 0.25 Roll Trans PWSCC x 1-B 1 82 56 SCI 0.96 LTE 1.53 520PP 64 0.4 Roll Trans PWSCC x 1-B 1 84 73 SCI 0.46 LTE 1.51 520PP 68 0.15 Roll Trans PWSCC x 1-B 1 84 75 MCI 0.7 LTE 1.59 520PP 51 0.18 Roll Trans PWSCC x 1-B 1 86 53 SCI 0.45 LTE 1.6 520PP 51 0.18 Roll Trans PWSCC x 1-B 1 86 54 MCI 1.09 LTE 1.59 520PP 68 0.73 Roll Trans PWSCC x 1-B 1 86 69 MCI 0.6 LTE 1.63 520PP 63 0.18 Roll Trans PWSCC x 1-B 1 87 74 MCI 0.41 LTE 1.73 520PP 66 0.2 Roll Trans PWSCC x 0.0589 1-B 1 89 59 SCI 0.79 LTE 1.61 520PP 48 0.23 Roll Trans PWSCC x 1-B 1 94 53 MCI 0.56 LTE 1.58 520PP 99 0.37 Roll Trans PWSCC x 1-B 1 98 93 SCI 0.43 LTE 1.58 520PP 52 0.23 Roll Trans PWSCC x 0.0544 1-B 1 100 70 MCI 0.4 LTE 1.6 520PP 63 0.2 Roll Trans PWSCC x 1-B 1 106 69 SCI 0.72 LTE 1.79 520PP 66 0.18 Roll Trans PWSCC x 1-B 1 142 26 SVI 1.87 UTE -2.35 520PP 47 0.27 ID Mechanical x 2-A 1 20 15 SCI 0.44 UTE -3.2 520PP 33 0.36 Reroll Trans PWSCC x 2-A 1 20 85 SCI 1.88 UTE -0.28 520PP 37 0.51 Tube End PWSCC x 2-A 1 44 61 SCI 0.95 UTE -1.94 520PP 68 0.21 Roll Trans PWSCC x 2-A 1 89 9 SCI 1.09 UTE -3.14 520PP 43 0.47 Reroll Trans PWSCC x 2-A 1 101 124 SCI 1.83 UTE -0.2 520PP 95 0.58 Tube End PWSCC x 2-A 1 104 107 SCI 0.83 UTE -2.98 520PP 77 1.22 Reroll Trans PWSCC x 2-A 1 133 1 SCI 0.84 UTE -0.26 520PP 81 0.23 Tube End PWSCC x 2-A 1 151 7 SCI 2.43 UTE -0.3 520PP 60 0.43 Tube End PWSCC x Page 4 of 11 Results as of : 6:57 AM,5/23/2012 Enclosure 2

Davis-Besse 17 RFO May 2012 Volumetric Indications (Not in Previously Rerolled Tubes)

SG Row Tube Ind Volts TSP Inch1 Probe Depth Ax Len Circ Len Deg Mode 1-B 142 26 SVI 1.87 UTE -2.35 520PP 47 0.22 0.27 ID Mechanical Page 5 of 11 Results as of : 6:57 AM,5/23/2012 Enclosure 2

Davis-Besse 17 RFO May 2012 New Tube End Indications (Not in Previously Rerolled Tubes)

SG Count Row Tube Ind Volts TSP Inch1 Probe 2-A 1 45 45 SAA 0.91 UTE -0.30 520PP 2-A 2 84 10 SAA 1.83 UTE -0.21 520PP 2-A 3 142 32 MAA 0.87 UTE -0.20 520PP 2-A 4 146 25 SAA 1.40 UTE -0.26 520PP 2-A 5 36 113 SAA 1.64 UTE -0.23 520PP 2-A 6 64 2 SAA 1.22 UTE -0.18 520PP 2-A 7 122 104 MAA 2.17 UTE -0.28 520PP 2-A 8 115 107 MAA 1.66 UTE -0.25 520PP 2-A 9 116 107 MAA 1.47 UTE -0.23 520PP 2-A 10 130 8 SAA 2.44 UTE -0.33 520PP 2-A 11 130 7 SAA 2.10 UTE -0.31 520PP 2-A 12 97 19 MAA 1.83 UTE -0.23 520PP 2-A 13 92 49 SAA 0.86 UTE -0.30 520PP 2-A 14 70 116 SAA 1.25 UTE -0.27 520PP 2-A 15 86 100 SAA 1.05 UTE -0.26 520PP 2-A 16 86 122 MAA 1.62 UTE -0.38 520PP 2-A 17 86 123 MAA 1.58 UTE -0.25 520PP 2-A 18 87 100 SAA 1.34 UTE -0.24 520PP 2-A 19 136 70 SAA 2.38 UTE -0.31 520PP 2-A 20 136 68 MAA 1.81 UTE -0.33 520PP 2-A 21 137 72 MAA 1.96 UTE -0.33 520PP 2-A 22 137 65 SAA 0.91 UTE -0.34 520PP 2-A 23 138 66 SAA 1.86 UTE -0.32 520PP 2-A 24 138 65 SAA 1.97 UTE -0.33 520PP 2-A 25 139 63 MAA 1.73 UTE -0.30 520PP 2-A 26 12 6 MAA 1.64 UTE -0.31 520PP 2-A 27 8 14 SAA 2.51 UTE -0.27 520PP 2-A 28 6 22 SAA 1.03 UTE -0.29 520PP 2-A 29 5 7 SAA 3.18 UTE -0.24 520PP 2-A 30 121 71 SAA 0.72 UTE -0.32 520PP 2-A 31 25 78 SAA 0.81 UTE -0.32 520PP 2-A 32 65 40 SAA 3.11 UTE -0.10 520PP 2-A 33 3 31 SAA 2.35 UTE -0.28 520PP 2-A 34 5 46 SAA 2.08 UTE -0.32 520PP 2-A 35 9 60 SAA 2.49 UTE -0.20 520PP 2-A 36 38 61 MAA 1.46 UTE -0.28 520PP 2-A 37 36 87 SAA 1.01 UTE -0.29 520PP 2-A 38 37 87 SAA 0.99 UTE -0.32 520PP 2-A 39 33 85 SAA 1.13 UTE -0.34 520PP 2-A 40 24 80 MAA 1.34 UTE -0.24 520PP 2-A 41 84 11 SAA 2.36 UTE -0.23 520PP 2-A 42 85 21 SAA 1.80 UTE -0.25 520PP 2-A 43 84 31 SAA 0.79 UTE -0.31 520PP 2-A 44 108 1 SAA 3.00 UTE -0.31 520PP 2-A 45 108 115 SAA 1.47 UTE -0.31 520PP 2-A 46 12 64 SAA 0.98 UTE -0.35 520PP 2-A 47 13 42 SAA 0.68 UTE -0.38 520PP 2-A 48 14 66 SAA 1.71 UTE -0.37 520PP 2-A 49 18 74 SAA 1.54 UTE -0.27 520PP 2-A 50 20 46 SAA 1.48 UTE -0.37 520PP Page 6 of 11 Results as of : 6:57 AM,5/23/2012 Enclosure 2

Davis-Besse 17 RFO May 2012 New Tube End Indications (Not in Previously Rerolled Tubes)

SG Count Row Tube Ind Volts TSP Inch1 Probe 2-A 51 25 52 SAA 1.59 UTE -0.34 520PP 2-A 52 25 59 SAA 1.32 UTE -0.31 520PP 2-A 53 81 12 MAA 1.17 UTE -0.07 520PP 2-A 54 82 9 MAA 1.32 UTE -0.25 520PP 2-A 55 82 20 MAA 1.10 UTE -0.30 520PP 2-A 56 86 20 SAA 1.49 UTE -0.25 520PP 2-A 57 82 21 SAA 1.44 UTE -0.21 520PP 2-A 58 86 10 SAA 2.46 UTE -0.21 520PP 2-A 59 89 10 MAA 1.04 UTE -0.22 520PP 2-A 60 25 77 SAA 2.08 UTE -0.29 520PP 2-A 61 28 83 SAA 1.95 UTE -0.31 520PP 2-A 62 29 83 SAA 1.99 UTE -0.25 520PP 2-A 63 26 47 SAA 1.92 UTE -0.28 520PP 2-A 64 33 92 SAA 1.04 UTE -0.28 520PP 2-A 65 26 87 SAA 1.99 UTE -0.29 520PP 2-A 66 5 30 MAA 3.11 UTE -0.38 520PP 2-A 67 6 32 SAA 2.06 UTE -0.32 520PP 2-A 68 17 72 MAA 1.93 UTE -0.26 520PP 2-A 69 18 73 SAA 1.18 UTE -0.27 520PP 2-A 70 19 47 SAA 1.68 UTE -0.31 520PP 2-A 71 20 47 SAA 1.53 UTE -0.27 520PP 2-A 72 23 93 SAA 1.39 UTE -0.25 520PP 2-A 73 127 78 SAA 1.24 UTE -0.34 520PP 2-A 74 128 8 MAA 2.09 UTE -0.29 520PP 2-A 75 21 38 SAA 1.38 UTE -0.16 520PP 2-A 76 54 2 MAA 1.45 UTE -0.31 520PP 2-A 77 108 4 SAA 1.14 UTE -0.24 520PP 2-A 78 117 107 MAA 2.07 UTE -0.31 520PP 2-A 79 111 3 SAA 2.43 UTE -0.34 520PP 2-A 80 107 4 MAA 1.13 UTE -0.25 520PP 2-A 81 103 6 MAA 2.09 UTE -0.23 520PP 2-A 82 37 25 SAA 1.15 UTE -0.27 520PP 2-A 83 39 42 SAA 1.18 UTE -0.27 520PP 2-A 84 103 7 MAA 2.26 UTE -0.29 520PP 2-A 85 106 5 SAA 2.33 UTE -0.27 520PP 2-A 86 107 111 MAA 1.49 UTE -0.22 520PP 2-A 87 109 105 MAA 1.63 UTE -0.24 520PP 2-A 88 110 110 SAA 1.50 UTE -0.26 520PP 2-A 89 110 106 SAA 2.64 UTE -0.25 520PP 2-A 90 110 104 MAA 1.66 UTE -0.26 520PP 2-A 91 112 105 SAA 1.91 UTE -0.30 520PP 2-A 92 114 98 SAA 1.20 UTE -0.25 520PP 2-A 93 150 27 SAA 2.03 UTE -0.24 520PP 2-A 94 16 12 MAA 1.64 UTE -0.30 520PP 2-A 95 12 22 SAA 0.99 UTE -0.33 520PP 2-A 96 7 12 SAA 1.57 UTE -0.34 520PP 2-A 97 5 19 SAA 2.43 UTE -0.31 520PP 2-A 98 4 17 SAA 1.79 UTE -0.34 520PP 2-A 99 3 13 SAA 2.82 UTE -0.32 520PP 2-A 100 147 45 SAA 1.05 UTE -0.28 520PP Page 7 of 11 Results as of : 6:57 AM,5/23/2012 Enclosure 2

Davis-Besse 17 RFO May 2012 New Tube End Indications (Not in Previously Rerolled Tubes)

SG Count Row Tube Ind Volts TSP Inch1 Probe 2-A 101 111 2 MAA 1.35 UTE -0.27 520PP 2-A 102 110 1 SAA 2.11 UTE -0.33 520PP 2-A 103 109 3 MAA 2.56 UTE -0.31 520PP 2-A 104 109 5 SAA 0.99 UTE -0.31 520PP 2-A 105 107 5 MAA 1.55 UTE -0.30 520PP 2-A 106 107 3 SAA 1.04 UTE -0.34 520PP 2-A 107 105 22 SAA 1.49 UTE -0.28 520PP 2-A 108 102 6 SAA 1.74 UTE -0.14 520PP 2-A 109 90 6 SAA 1.86 UTE -0.27 520PP 2-A 110 62 54 SAA 0.98 UTE -0.38 520PP 2-A 111 44 5 SAA 1.11 UTE -0.24 520PP 2-A 112 44 4 SAA 1.85 UTE -0.16 520PP 2-A 113 120 13 SAA 1.81 UTE -0.18 520PP 2-A 114 49 3 SAA 2.51 UTE -0.21 520PP 2-A 115 51 6 MAA 1.39 UTE -0.22 520PP 2-A 116 41 89 SAA 1.21 UTE -0.26 520PP 2-A 117 10 5 MAA 1.52 UTE -0.29 520PP 2-A 118 48 7 SAA 1.25 UTE -0.27 520PP 2-A 119 130 71 SAA 1.52 UTE -0.34 520PP 2-A 120 136 80 SAA 1.67 UTE -0.31 520PP 2-A 121 109 94 SAA 1.43 UTE -0.29 520PP 2-A 122 109 110 SAA 1.66 UTE -0.40 520PP 2-A 123 109 112 SAA 0.88 UTE -0.30 520PP 2-A 124 110 105 MAA 2.70 UTE -0.21 520PP 2-A 125 126 78 MAA 1.73 UTE -0.30 520PP 2-A 126 20 31 SAA 1.01 UTE -0.31 520PP 2-A 127 19 39 MAA 1.57 UTE -0.29 520PP 2-A 128 18 15 MAA 2.08 UTE -0.35 520PP 2-A 129 127 83 SAA 2.08 UTE -0.28 520PP 2-A 130 131 74 SAA 2.22 UTE -0.29 520PP 2-A 131 133 78 MAA 2.25 UTE -0.26 520PP 2-A 132 133 66 SAA 2.04 UTE -0.27 520PP 2-A 133 137 68 SAA 1.88 UTE -0.24 520PP 2-A 134 34 58 SAA 1.47 UTE -0.26 520PP 2-A 135 31 22 SAA 2.07 UTE -0.27 520PP 2-A 136 25 35 SAA 1.94 UTE -0.25 520PP 2-A 137 66 46 MAA 1.03 UTE -0.37 520PP 2-A 138 132 68 SAA 1.76 UTE -0.28 520PP 2-A 139 132 47 SAA 1.99 UTE -0.32 520PP 2-A 140 146 28 SAA 2.09 UTE -0.31 520PP 2-A 141 124 11 SAA 1.34 UTE -0.22 520PP 2-A 142 97 8 MAA 2.28 UTE -0.30 520PP 2-A 143 122 100 SAA 2.47 UTE -0.29 520PP 2-A 144 123 101 MAA 2.65 UTE -0.26 520PP 2-A 145 129 8 SAA 1.62 UTE -0.33 520PP 2-A 146 115 98 SAA 1.68 UTE -0.28 520PP 2-A 147 131 75 SAA 0.90 UTE -0.30 520PP 2-A 148 133 81 SAA 1.69 UTE -0.31 520PP 2-A 149 134 70 MAA 0.89 UTE -0.30 520PP 2-A 150 135 68 MAA 0.71 UTE -0.40 520PP Page 8 of 11 Results as of : 6:57 AM,5/23/2012 Enclosure 2

Davis-Besse 17 RFO May 2012 New Tube End Indications (Not in Previously Rerolled Tubes)

SG Count Row Tube Ind Volts TSP Inch1 Probe 2-A 151 58 4 SAA 2.39 UTE -0.26 520PP 2-A 152 63 2 SAA 2.43 UTE -0.28 520PP 2-A 153 132 64 MAA 2.12 UTE -0.28 520PP 2-A 154 132 60 SAA 2.25 UTE -0.32 520PP 1-B 155 103 120 SAA 1.97 UTE -0.44 520PP 1-B 156 107 110 SAA 2.27 UTE -0.11 520PP 1-B 157 31 67 MAA 1.18 UTE -0.26 520PP 1-B 158 101 119 SAA 1.12 UTE -0.32 520PP 1-B 159 102 113 SAA 1.23 UTE -0.23 520PP 1-B 160 103 117 SAA 1.79 UTE -0.38 520PP 1-B 161 103 118 SAA 1.92 UTE -0.38 520PP 1-B 162 55 44 MAA 1.54 UTE -0.30 520PP 1-B 163 67 99 SAA 2.08 UTE -0.23 520PP 1-B 164 36 87 SAA 2.02 UTE -0.24 520PP 1-B 165 10 48 SAA 3.74 UTE -0.31 520PP 1-B 166 10 45 SAA 1.21 UTE -0.33 520PP 1-B 167 14 52 SAA 1.49 UTE -0.14 520PP 1-B 168 20 55 SAA 1.44 UTE -0.22 520PP 1-B 169 25 81 SAA 1.06 UTE -0.21 520PP 1-B 170 28 64 SAA 1.22 UTE -0.22 520PP 1-B 171 28 66 SAA 1.03 UTE -0.34 520PP 1-B 172 36 25 MAA 1.33 UTE -0.30 460PP 1-B 173 59 79 MAA 2.12 LTE 0.40 520PP 1-B 174 40 13 MAA 2.19 UTE -0.32 520PP 1-B 175 78 112 SAA 1.18 UTE -0.32 520PP 1-B 176 120 9 SAA 0.74 UTE -0.29 520PP 1-B 177 120 5 SAA 1.24 UTE -0.23 520PP 1-B 178 28 93 MAA 1.88 UTE -0.25 520PP 1-B 179 70 53 SAA 1.37 UTE -0.39 520PP 1-B 180 71 59 SAA 2.33 UTE -0.28 520PP 1-B 181 129 49 SAA 0.86 UTE -0.30 520PP 1-B 182 29 94 SAA 1.30 UTE -0.31 520PP 1-B 183 74 39 SAA 0.97 UTE -0.41 520PP 1-B 184 65 50 SAA 1.56 UTE -0.49 520PP 1-B 185 66 29 SAA 1.64 UTE -0.30 520PP 1-B 186 29 14 SAA 2.81 UTE -0.30 520PP 1-B 187 9 44 MAA 2.40 UTE -0.32 520PP 1-B 188 13 51 SAA 1.88 UTE -0.26 520PP 1-B 189 17 54 SAA 2.18 UTE -0.25 520PP 1-B 190 30 95 SAA 1.81 UTE -0.30 520PP 1-B 191 67 51 SAA 1.76 UTE -0.44 520PP 1-B 192 63 26 MAA 1.10 UTE -0.35 520PP 1-B 193 62 49 SAA 0.75 UTE -0.41 520PP 1-B 194 22 60 SAA 2.92 UTE -0.27 520PP 1-B 195 24 79 SAA 0.68 UTE -0.32 520PP 1-B 196 58 32 SAA 2.49 UTE -0.25 520PP 1-B 197 104 119 SAA 1.38 UTE -0.32 520PP 1-B 198 101 55 SAA 1.31 UTE -0.42 520PP 1-B 199 37 72 SAA 1.67 UTE -0.22 520PP 1-B 200 42 92 SAA 1.54 UTE -0.16 520PP Page 9 of 11 Results as of : 6:57 AM,5/23/2012 Enclosure 2

Davis-Besse 17 RFO May 2012 New Tube End Indications (Not in Previously Rerolled Tubes)

SG Count Row Tube Ind Volts TSP Inch1 Probe 1-B 201 42 90 SAA 2.10 UTE -0.23 520PP 1-B 202 13 50 SAA 1.57 UTE -0.27 520PP 1-B 203 13 52 SAA 1.69 UTE -0.26 520PP 1-B 204 28 65 MAA 1.73 UTE -0.34 520PP 1-B 205 56 78 SAA 2.66 UTE -0.39 520PP 1-B 206 57 80 SAA 1.34 UTE -0.26 520PP 1-B 207 99 45 SAA 1.24 UTE -0.23 520PP 1-B 208 10 46 SAA 2.14 UTE -0.34 520PP 1-B 209 32 98 SAA 1.13 UTE -0.31 520PP 1-B 210 3 27 SAA 1.17 UTE -0.26 520PP 1-B 211 7 40 SAA 1.86 UTE -0.25 520PP 1-B 212 98 27 SAA 1.04 UTE -0.29 520PP 1-B 213 48 76 MAA 1.06 UTE -0.27 520PP 1-B 214 58 99 MAA 0.79 UTE -0.28 520PP 1-B 215 55 109 SAA 1.02 UTE -0.35 520PP 1-B 216 55 97 SAA 1.24 UTE -0.21 520PP 1-B 217 48 78 MAA 2.07 UTE -0.35 520PP 1-B 218 36 88 SAA 1.90 UTE -0.27 520PP 1-B 219 107 7 SAA 0.92 UTE -0.26 520PP 1-B 220 38 102 SAA 1.75 UTE -0.25 520PP 1-B 221 38 112 SAA 1.17 UTE -0.21 520PP 1-B 222 39 89 SAA 2.07 UTE -0.26 520PP 1-B 223 42 71 SAA 0.93 UTE -0.34 520PP 1-B 224 43 75 MAA 1.64 UTE -0.14 520PP 1-B 225 43 107 SAA 1.48 UTE -0.24 520PP 1-B 226 52 78 SAA 1.09 UTE -0.30 520PP 1-B 227 57 53 SAA 1.91 UTE -0.31 520PP 1-B 228 146 15 MAA 2.02 UTE -0.23 520PP 1-B 229 147 13 SAA 2.22 UTE -0.23 520PP 1-B 230 58 78 SAA 1.91 UTE -0.47 520PP 1-B 231 60 81 SAA 1.09 UTE -0.45 520PP 1-B 232 16 54 SAA 0.90 UTE -0.22 520PP 1-B 233 18 74 SAA 1.07 UTE -0.31 520PP 1-B 234 18 56 SAA 1.49 UTE -0.26 520PP 1-B 235 100 26 SAA 2.05 UTE -0.29 520PP 1-B 236 73 52 SAA 2.16 UTE -0.43 520PP 1-B 237 100 50 MAA 2.14 UTE -0.25 520PP 1-B 238 100 56 SAA 1.73 UTE -0.23 520PP 1-B 239 119 9 SAA 1.83 UTE -0.35 520PP 1-B 240 100 49 SAA 0.96 UTE -0.29 520PP 1-B 241 112 48 SAA 0.93 UTE -0.21 520PP 1-B 242 113 46 SAA 1.56 UTE -0.21 520PP Page 10 of 11 Results as of : 6:57 AM,5/23/2012 Enclosure 2

Davis-Besse 17 RFO May 2012 Top 10 Wear Calls By Bobbin Depth SG Row Tube Depth Volts TSP Inch1 Prev Depth 2-A 16 2 29 1.51 13S -0.70 21 1-B 67 1 26 1.71 12S -0.04 23 2-A 146 33 23 1.10 10S 0.64 17 2-A 13 1 23 1.06 13S -0.67 16 2-A 147 36 23 1.11 10S 0.66 23 2-A 12 2 21 0.84 13S -0.72 14 2-A 11 1 19 0.74 13S -0.76 12 2-A 52 1 19 1.00 13S -0.64 20 2-A 86 127 18 0.73 14S -0.70 12 2-A 15 2 18 0.72 13S -0.73 13 Page 11 of 11 Results as of : 6:57 AM,5/23/2012 Enclosure 2