2CAN081404, Steam Generator Tube Inspection Report - 2R23
| ML14230A898 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 08/18/2014 |
| From: | Pyle S Entergy Operations |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 2CAN081404 | |
| Download: ML14230A898 (19) | |
Text
Entergy Operations, Inc.
1448 S.R. 333 Russellville, AR 72802 Tel 479-858-4704 Stephenie L. Pyle Manager, Regulatory Assurance Arkansas Nuclear One 2CAN081404 August 18, 2014 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555
Subject:
Steam Generator Tube Inspection Report - 2R23 Arkansas Nuclear One - Unit 2 Docket No. 50-368 License No. NPF-6
Dear Sir or Madam:
Entergy Operations, Inc. (Entergy) inspected the Arkansas Nuclear One, Unit 2 (ANO-2) Steam Generator (SG) tubes during the Spring 2014 refueling outage (2R23) in accordance with ANO-2 Technical Specification (TS) 6.5.9, Steam Generator (SG) Program. ANO-2 TS 6.6.7, Steam Generator Tube Inspection Report, requires that the results of inspections performed during the report period be submitted to the NRC within 180 days after the initial entry into Mode
- 4. The initial entry into Mode 4 post-2R23 occurred on June 9, 2014. Enclosed is the subject inspection report.
The 2R23 inspection performed on both SGs involved an initial full-length bobbin coil examination of 100%. The Plus-Point probe was used for diagnostic testing.
This submittal completes the reporting requirements of the ANO-2 TSs for this inspection.
This submittal contains no regulatory commitments. Should you have any questions, please contact me.
Sincerely, ORIGINAL SIGNED BY STEPHENIE L. PYLE SLP/rwc
Enclosure:
Results of ANO-2 Steam Generator (SG) Tube Inspections During 2R23
2CAN081404 Page 2 of 2 cc: Mr. Marc L. Dapas Regional Administrator U. S. Nuclear Regulatory Commission Region IV 1600 East Lamar Boulevard Arlington, TX 76011-4511 NRC Senior Resident Inspector Arkansas Nuclear One P. O. Box 310 London, AR 72847 U. S. Nuclear Regulatory Commission Attn: Ms. Andrea E. George MS O-8B1 One White Flint North 11555 Rockville Pike Rockville, MD 20852 Mr. Bernard R. Bevill Arkansas Department of Health Radiation Control Section 4815 West Markham Street Slot #30 Little Rock, AR 72205
ENCLOSURE TO 2CAN081404 Results of ANO-2 Steam Generator (SG) Tube Inspections During 2R23
Enclosure to 2CAN081404 Page 1 of 16 RESULTS OF ANO-2 STEAM GENERATOR (SG) TUBE INSPECTIONS DURING 2R23 1 INTRODUCTION Arkansas Nuclear One, Unit 2 (ANO-2) Technical Specification (TS) 6.6.7, Steam Generator Tube Inspection Report, requires Entergy Operations, Inc. (Entergy) to submit a 180-day report to the NRC that outlines the details of the SG tubing inspections that were performed during the reporting period. The report shall include:
- 1. The scope of inspections performed on each SG.
- 2. Active degradation mechanisms found.
- 3. Nondestructive examination (NDE) techniques utilized for each degradation mechanism.
- 4. Location, orientation (if linear), and measured sizes (if available) of service-induced indications.
- 5. Number of tubes plugged during the inspection outage for each active degradation mechanism.
- 6. Total number and percentage of tubes plugged to date.
- 7. The results of condition monitoring, including the results of tube pulls and in-situ testing.
The operating period for this report includes one outage, a refueling inspection (2R23) which began May 11, 2014, and was the fourth In-service Inspection (ISI) following the SG replacement outage. This report details the result of that inspection.
Table 1-1 ANO-2 Operating Cycles Since SG Replacement Outage Outage Cycle Effective Full Cumulative SG Notes Designator Date Power Year (EFPY) EFPY 2R14 2000 0 0 Baseline (PSI) 2R15 2002 1.35 1.35 1st ISI 2R16 2003 1.35 2.7 Skip 2R17 2005 1.36 4.06 54% Bobbin 2R18 2006 1.43 5.49 Skip 2R19 2008 1.35 6.84 Skip 2R20 2009 1.42 8.62 100% Bobbin 2R21 2011 1.40 10.02 Skip 2R22 2012 1.43 11.45 Skip 2R23 2014 1.39 12.84 100% Bobbin
Enclosure to 2CAN081404 Page 2 of 16 2 DESIGN The ANO-2 replacement SGs (RSGs) are Westinghouse Model Delta 109 SGs with 10637 thermally treated Alloy 690 U-tubes. The nominal tube dimensions are outside diameter of 0.688 inch with 0.040 inch wall thickness. The tubes are hydraulically expanded through the tubesheet thickness. Tubes are supported by eight, broached-hole tube support plates (TSPs).
In the U-bend region the tubes are supported by five sets of staggered Type 405 stainless steel anti-vibration bars (AVBs). Due to the staggered arrangement of the AVBs, as many as 20 potential intersection sites are available to some tubes. Thus the AVB intersection sites are designated A01 to A20, from the hot leg to cold leg side.
3 REPORT REQUIREMENTS 3.1 The Scope of Inspections Performed on Each SG.
Table 3.1.1 lists the inspection scope of 2R23.
Table 3.1.1 2R23 Inspection Scope SG A Examination Type Inspections Conducted % Scope Extent Tested Bobbin 10632 100 TEC to TEH Array Periphery HL 1072 10 01H to TEH Array Periphery CL 1062 10 01C to TEC Special Interest Array / +Point 50 100 Various SG B Examination Type Inspections Conducted % Scope Extent Tested Bobbin 10624 100 TEC to THE Array Periphery HL 1066 10 01H to THE Array Periphery CL 1058 10 01C to TEC Special Interest Array / +Point 66 100 Various Note: HL = Hot Leg CL = Cold Leg TEC = Tube End Cold TEH = Tube End Hot
Enclosure to 2CAN081404 Page 3 of 16 3.2 Active Degradation Mechanisms Found.
The degradation mechanisms found during the 2R23 inspection of the SG tubes were mechanical wear at AVB and TSP. Previous loose part wear indications were reconfirmed and sized with no active increase in wear depth.
There were no new dents reported which were not present in previous inspection data.
The reported dent population fluctuates slightly from inspection to inspection due to the fact that a reporting threshold (2 Vpp) is applied.
The majority of confirmed possible loose parts (PLP) indications were historical. In SG B, three parts were removed which reduced the number of tubes with PLP indications from 15 to 1.
The subject indications are listed in Table 3.2.1.
Table 3.2.1 Indication List for 2R23 SG AVB Wear TSP Wear Loose Part Wear PLP Dents A 125 9 8 15 1128 15 B 102 20 4 580 (14 removed)
Enclosure to 2CAN081404 Page 4 of 16 3.3 NDE Techniques Utilized for Each Degradation Mechanism.
NDE Standard Error of Mechanism Sample Detection Sizing Probe Regression Location Size ETSS ETSS Uncertainty 96004.1 96004.1 Wear at Structures 100% Bobbin 4.19% TW Rev. 13 Rev. 13 11956.3 11956.3 Wear at Structures 100% Array 2.42% TW Rev. 3 Rev. 3 96910.1 96910.1 Wear at Structures 100% +Point 6.68% TW Rev. 10 Rev. 10 27091.2 27091.2 Volumetric Freespan 100% Bobbin 13.49% TW Rev. 1 Rev. 1 27901.1 27901.1 Volumetric Freespan 100% +Point 2.30% TW Rev. 1 Rev. 1 Circumferential ODSCC 20400.1 100% Array NA NA (extended to detection of Rev. 5 volumetric degradation)
Axial ODSCC 20402.1 (extended to detection of 100% Array NA NA volumetric degradation) Rev. 5 Tube to Tube Wear 13091.1 13091.1 100% Bobbin 1.57% TW Freespan Rev. 0 Rev. 0 Tube to Tube Wear 13902.1 13902.1 100% Array 1.87% TW Freespan Rev. 0 Rev. 0 Tube to Tube Wear 13901.1 13901.1 100% +Point 1.50% TW Freespan Rev. 1 Rev. 1 Notes:
- 1. The most applicable ECT techniques are listed in this table. The essential variables applied during 2R23 inspection would allow the application of numerous additional EPRI ETSS had they been needed.
- 2. The highlighted cells identify the techniques used for depth sizing degradation during 2R23.
TW Throughwall EPRI Electric Power Research Institute ETSS Examination Technical Specification Sheet
Enclosure to 2CAN081404 Page 5 of 16 3.4 Location, Orientation (if linear), and Measured Sizes (if available) of Service Induced Indications.
The only service induced mechanism is wear at the AVBs, TSPs, and previous wear due to loose parts that were removed. Due to the large number of indications, these are listed in Attachments 1 and 2 for SG A and SG B, respectively.
3.5 Number of Tubes Plugged During the Inspection Outage for Each Active Degradation Mechanism.
There were 5 tubes in SG A and 5 tubes in SG B plugged during the outage. This included all tubes with any type of wear 30% TW, as listed in Table 3.5.1 below.
Table 3.5.1 Tubes Plugged SG ROW COL Indication A 119 76 31% max depth, AVB Wear at A09 A 112 33 33% max depth, AVB Wear at A14 A 135 76 35% max depth, AVB Wear at A14 A 137 82 36% max depth, AVB Wear at A14 A 135 80 43% max depth, AVB Wear at A12 B 125 92 30% max depth, AVB Wear at A16 B 139 94 30% max depth, AVB Wear at A10 B 142 97 34% max depth, AVB Wear at A11 B 134 93 43% max depth, AVB Wear at A13 B 129 66 40% max depth, AVB Wear at A12
Enclosure to 2CAN081404 Page 6 of 16 3.6 Total Number and Percentage of Tubes Plugged to Date.
There are no sleeves installed in either generator. The plugging information is listed in Tables 3.6.1 and 3.6.2.
Table 3.6.1 Cumulative Plugs in Service (SG A)
Year Outage Installed Cumulative % Plugged 2000 Fabrication 0 0 0 2000 Baseline 0 0 0 2002 2R15 0 0 0 2005 2R17 4 4 0.0004 2009 2R20 1 5 0.0005 2014 2R23 5 10 0.0009 Table 3.6.2 Cumulative Plugs in Service (SG B)
Year Outage Installed Cumulative % Plugged 2000 Fabrication 1 1 0.00009 2000 Baseline 0 1 0.00009 2002 2R15 0 1 0.00009 2005 2R17 7 8 0.0008 2009 2R20 5 13 0.0012 2014 2R23 5 18 0.0017 3.7 The Results of Condition Monitoring, Including the Results of Tube Pulls and In-Situ Testing.
During the ANO-2 SG tube inspection, no indications exceeding the structural integrity limits for fretting wear (i.e., burst integrity > 3 times normal operating primary to secondary pressure differential across SG tubes) were detected. Delta 109 SGs are not subject to adjustment of the structural integrity performance criterion due to secondary loading effects thus the performance criterion is based on application of a safety factor of 3 upon the normal operating primary to secondary pressure differential. Therefore, no tubes were identified to contain eddy current indications that could potentially challenge the tube integrity requirements.
Enclosure to 2CAN081404 Page 7 of 16 Per Nuclear Energy Institute (NEI) 97-06, the SG program shall include measures to maintain SG secondary side integrity. The secondary side inspection plan for ANO-2 details the specific inspections for 2R23. A summary of these inspections is provided below:
Visual inspections of the steam drum were performed, which included the feed ring, primary and secondary steam separators, and the outlet venturi. All visually inspected components were found satisfactory An annulus inspection was performed using remote equipment on both generators to evaluate possible loose parts. The inspection was performed completely around the periphery and across the center tube lane in both generators. Three machine remnants were removed from SG B. The identification of PLPs in SG B during 2R23 eddy current testing was entered in the ANO Corrective Action Program. Tube wall wear was not indicated at the three loose part locations. The machine remnants have been retrieved and no tube wear has been observed.
There were no tube pulls performed or in-situ test performed.
3.8 The effective plugging percentage for all plugging in each SG Since there are no sleeves installed, the effective plugging percentage is the same as that for just the plugging. See Table 3.6.1 for the values.
Enclosure to 2CAN081404 Page 8 of 16 Attachment 1 Wear Indications - SG A FLAW ROW COL TWD LOCATION ELEVATION INDICATION 1 3 28 9 A01 -0.14 AVB WEAR 2 37 142 11 A03 0.69 AVB WEAR 3 43 148 13 A06 0.28 AVB WEAR 4 52 39 8 A07 0.00 AVB WEAR 5 52 123 10 A07 0.64 AVB WEAR 6 52 135 7 A07 0.47 AVB WEAR 7 52 143 13 A07 0.44 AVB WEAR 8 52 175 8 A06 -0.29 AVB WEAR 9 53 34 7 A07 0.08 AVB WEAR 10 57 174 8 A17 -0.13 AVB WEAR 11 59 60 8 A07 -0.11 AVB WEAR 12 60 171 6 A13 -0.33 AVB WEAR 13 60 171 10 A07 0.00 AVB WEAR 14 60 173 11 A16 -0.13 AVB WEAR 15 62 13 14 A05 0.19 AVB WEAR 16 63 10 9 A15 0.00 AVB WEAR 17 63 46 11 A14 0.00 AVB WEAR 18 64 61 6 A08 0.61 AVB WEAR 19 64 67 8 A13 -0.50 AVB WEAR 20 65 144 10 A13 -0.54 AVB WEAR 21 66 13 8 A05 0.21 AVB WEAR 22 70 61 5 A13 -0.08 AVB WEAR 23 74 15 17 A18 0.16 AVB WEAR 24 74 15 8 A05 -0.69 AVB WEAR 25 74 167 8 A07 0.13 AVB WEAR 26 77 68 9 A13 0.08 AVB WEAR 27 80 73 8 A09 -0.05 AVB WEAR 28 80 87 16 A09 0.84 AVB WEAR 29 80 89 10 A12 -0.53 AVB WEAR 30 80 117 12 A09 -0.13 AVB WEAR 31 80 121 13 A09 0.41 AVB WEAR 32 80 125 10 A09 0.28 AVB WEAR
Enclosure to 2CAN081404 Page 9 of 16 Attachment 1 Wear Indications - SG A FLAW ROW COL TWD LOCATION ELEVATION INDICATION 33 80 133 7 A09 0.37 AVB WEAR 34 81 62 10 A09 0.08 AVB WEAR 35 81 94 7 A09 0.18 AVB WEAR 36 83 18 8 A17 0.00 AVB WEAR 37 83 18 12 A15 -0.21 AVB WEAR 38 84 111 9 A09 -0.08 AVB WEAR 39 84 165 12 A15 0.15 AVB WEAR 40 87 108 16 A09 0.08 AVB WEAR 41 89 96 8 A09 -0.05 AVB WEAR 42 89 110 7 A09 0.08 AVB WEAR 43 89 124 19 A04 -0.08 AVB WEAR 44 89 124 13 A03 -0.51 AVB WEAR 45 89 162 11 A14 0.13 AVB WEAR 46 96 101 11 A10 0.35 AVB WEAR 47 99 82 8 A16 0.00 AVB WEAR 48 99 82 8 A09 0.05 AVB WEAR 49 102 91 8 A09 -0.30 AVB WEAR 50 103 94 9 A09 0.03 AVB WEAR 51 104 81 12 A17 0.00 AVB WEAR 52 105 90 17 A14 -0.03 AVB WEAR 53 105 152 10 A12 0.10 AVB WEAR 54 106 107 6 A12 0.11 AVB WEAR 55 109 90 15 A20 0.00 AVB WEAR 56 109 90 15 A11 0.00 AVB WEAR 57 109 90 19 A08 0.03 AVB WEAR 58 112 33 9 A20 0.24 AVB WEAR 59 112 33 11 A18 0.21 AVB WEAR 60 112 33 18 A16 0.05 AVB WEAR 61 112 33 33 A14 0.00 AVB WEAR 62 112 33 9 A09 0.27 AVB WEAR 63 112 91 9 A07 -0.13 AVB WEAR 64 114 81 8 A12 0.11 AVB WEAR 65 117 100 13 A09 0.00 AVB WEAR
Enclosure to 2CAN081404 Page 10 of 16 Attachment 1 Wear Indications - SG A FLAW ROW COL TWD LOCATION ELEVATION INDICATION 66 119 76 22 A13 0.00 AVB WEAR 67 119 76 21 A12 0.00 AVB WEAR 68 119 76 31 A09 0.00 AVB WEAR 69 119 100 7 A08 -0.16 AVB WEAR 70 121 86 29 A09 0.08 AVB WEAR 71 121 138 8 A16 0.00 AVB WEAR 72 121 138 13 A13 0.00 AVB WEAR 73 123 46 12 A15 0.03 AVB WEAR 74 123 46 9 A13 0.19 AVB WEAR 75 124 45 20 A14 0.00 AVB WEAR 76 124 47 11 A16 0.00 AVB WEAR 77 124 47 18 A14 0.00 AVB WEAR 78 124 91 8 A11 0.21 AVB WEAR 79 124 95 9 A17 0.00 AVB WEAR 80 124 95 27 A16 -0.03 AVB WEAR 81 124 95 18 A14 0.11 AVB WEAR 82 124 95 11 A14 -0.21 AVB WEAR 83 125 48 15 A13 0.00 AVB WEAR 84 126 113 9 A10 -0.09 AVB WEAR 85 127 78 11 A16 0.00 AVB WEAR 86 128 75 16 A16 0.00 AVB WEAR 87 128 75 18 A12 0.00 AVB WEAR 88 132 73 12 A09 0.00 AVB WEAR 89 132 75 27 A12 0.00 AVB WEAR 90 132 127 10 A07 0.05 AVB WEAR 91 133 68 16 A16 0.00 AVB WEAR 92 133 68 13 A14 0.00 AVB WEAR 93 133 82 25 A12 0.00 AVB WEAR 94 133 96 10 A14 -0.03 AVB WEAR 95 135 76 10 A19 0.03 AVB WEAR 96 135 76 12 A16 0.00 AVB WEAR 97 135 76 35 A14 0.00 AVB WEAR 98 135 80 18 A19 0.05 AVB WEAR
Enclosure to 2CAN081404 Page 11 of 16 Attachment 1 Wear Indications - SG A FLAW ROW COL TWD LOCATION ELEVATION INDICATION 99 135 80 15 A17 0.03 AVB WEAR 100 135 80 8 A15 0.05 AVB WEAR 101 135 80 43 A12 0.13 AVB WEAR 102 135 80 21 A09 0.13 AVB WEAR 103 135 80 14 A07 0.10 AVB WEAR 104 135 86 9 A09 0.00 AVB WEAR 105 135 98 12 A10 -0.13 AVB WEAR 106 135 102 10 A17 0.00 AVB WEAR 107 135 102 20 A15 0.00 AVB WEAR 108 135 102 15 A14 0.00 AVB WEAR 109 135 102 23 A10 0.00 AVB WEAR 110 135 102 12 A08 0.00 AVB WEAR 111 135 122 10 A09 0.00 AVB WEAR 112 137 74 10 A12 0.00 AVB WEAR 113 137 82 22 A16 0.00 AVB WEAR 114 137 82 36 A14 0.00 AVB WEAR 115 137 82 20 A12 0.00 AVB WEAR 116 137 82 15 A08 0.00 AVB WEAR 117 137 82 20 A06 0.00 AVB WEAR 118 138 83 19 A11 0.03 AVB WEAR 119 138 119 10 A12 0.03 AVB WEAR 120 138 119 8 A09 0.00 AVB WEAR 121 138 123 12 A13 0.11 AVB WEAR 122 139 88 8 A15 0.00 AVB WEAR 123 139 88 8 A11 0.00 AVB WEAR 124 139 88 12 A09 0.03 AVB WEAR 125 139 114 8 A09 0.08 AVB WEAR 126 1 22 11 03C 0.50 TSP WEAR 127 2 1 16 02C -0.48 TSP WEAR 128 5 2 13 03C -0.45 TSP WEAR 129 105 50 16 08C 0.38 TSP WEAR 130 106 27 12 03C 0.42 TSP WEAR 131 138 55 16 08H -0.51 TSP WEAR
Enclosure to 2CAN081404 Page 12 of 16 Attachment 1 Wear Indications - SG A FLAW ROW COL TWD LOCATION ELEVATION INDICATION 132 142 61 11 08H -0.56 TSP WEAR 133 143 114 13 08C 0.34 TSP WEAR 134 148 71 12 03H -0.50 TSP WEAR 135 143 112 11 05H -16.80 LOOSE PART WEAR 136 142 111 25 01H -7.95 LOOSE PART WEAR 137 142 119 6 01H -5.12 LOOSE PART WEAR 138 142 119 15 01H -4.51 LOOSE PART WEAR 139 144 119 12 01H -6.61 LOOSE PART WEAR 140 146 113 15 01H -8.35 LOOSE PART WEAR 141 146 115 9 01H -9.65 LOOSE PART WEAR 142 146 115 10 01H -8.85 LOOSE PART WEAR
Enclosure to 2CAN081404 Page 13 of 16 Attachment 2 Wear Indications - SG B FLAW ROW COL TWD LOCATION ELEVATION INDICATION 1 40 177 14 A16 -0.03 AVB WEAR 2 42 177 12 A16 -0.27 AVB WEAR 3 44 177 14 A16 -0.19 AVB WEAR 4 50 41 11 A14 -0.32 AVB WEAR 5 52 109 5 A07 0.00 AVB WEAR 6 53 142 8 A07 -0.14 AVB WEAR 7 59 170 9 A07 -0.43 AVB WEAR 8 61 164 12 A14 -0.05 AVB WEAR 9 64 47 8 A08 0.71 AVB WEAR 10 64 103 5 A08 0.00 AVB WEAR 11 69 170 11 A07 -0.06 AVB WEAR 12 70 169 16 A07 0.13 AVB WEAR 13 70 169 11 A05 0.08 AVB WEAR 14 79 118 9 A09 -0.65 AVB WEAR 15 80 79 4 A09 0.35 AVB WEAR 16 80 95 17 A09 0.33 AVB WEAR 17 81 82 9 A14 0.08 AVB WEAR 18 82 69 9 A08 -0.14 AVB WEAR 19 83 128 9 A09 0.03 AVB WEAR 20 86 91 8 A17 0.00 AVB WEAR 21 96 105 6 A10 0.00 AVB WEAR 22 100 91 8 A07 -0.13 AVB WEAR 23 105 86 10 A09 0.03 AVB WEAR 24 109 102 12 A19 0.00 AVB WEAR 25 109 102 14 A18 0.00 AVB WEAR 26 109 102 13 A13 0.00 AVB WEAR 27 109 102 7 A05 0.00 AVB WEAR 28 110 133 8 A16 -0.11 AVB WEAR 29 111 92 17 A11 -0.59 AVB WEAR 30 111 96 16 A16 -0.05 AVB WEAR 31 111 96 23 A15 -0.03 AVB WEAR 32 111 102 8 A13 0.00 AVB WEAR
Enclosure to 2CAN081404 Page 14 of 16 Attachment 2 Wear Indications - SG B FLAW ROW COL TWD LOCATION ELEVATION INDICATION 33 111 108 11 A09 -0.16 AVB WEAR 34 112 105 8 A07 0.00 AVB WEAR 35 112 149 16 A18 0.00 AVB WEAR 36 112 149 8 A14 -0.40 AVB WEAR 37 112 149 10 A12 -0.48 AVB WEAR 38 113 90 6 A07 0.21 AVB WEAR 39 113 92 9 A17 0.00 AVB WEAR 40 113 92 19 A14 0.00 AVB WEAR 41 113 94 27 A13 -0.03 AVB WEAR 42 115 92 12 A13 0.00 AVB WEAR 43 115 104 13 A12 0.00 AVB WEAR 44 116 57 10 A18 0.00 AVB WEAR 45 116 57 16 A16 0.05 AVB WEAR 46 116 99 15 A12 -0.11 AVB WEAR 47 116 99 17 A09 -0.03 AVB WEAR 48 116 99 7 A06 -0.03 AVB WEAR 49 120 63 10 A16 0.00 AVB WEAR 50 122 91 17 A13 0.00 AVB WEAR 51 124 83 8 A09 -0.03 AVB WEAR 52 124 99 8 A10 0.00 AVB WEAR 53 125 46 11 A13 0.19 AVB WEAR 54 125 46 8 A11 0.11 AVB WEAR 55 125 56 9 A14 0.19 AVB WEAR 56 125 62 8 A19 0.16 AVB WEAR 57 125 62 8 A16 0.00 AVB WEAR 58 125 82 10 A14 0.00 AVB WEAR 59 125 92 30 A16 -0.05 AVB WEAR 60 125 92 9 A13 0.11 AVB WEAR 61 125 92 17 A10 0.00 AVB WEAR 62 125 96 20 A15 0.00 AVB WEAR 63 125 96 11 A13 0.00 AVB WEAR 64 125 140 8 A11 -0.98 AVB WEAR 65 128 61 10 A15 0.03 AVB WEAR
Enclosure to 2CAN081404 Page 15 of 16 Attachment 2 Wear Indications - SG B FLAW ROW COL TWD LOCATION ELEVATION INDICATION 66 128 61 12 A12 0.00 AVB WEAR 67 128 93 8 A14 -0.16 AVB WEAR 68 128 93 17 A12 -0.03 AVB WEAR 69 129 66 40 A12 0.00 AVB WEAR 70 129 66 10 A09 0.00 AVB WEAR 71 130 133 9 A17 -0.24 AVB WEAR 72 132 53 11 A13 0.32 AVB WEAR 73 132 57 10 A13 0.03 AVB WEAR 74 132 57 9 A12 -0.03 AVB WEAR 75 132 83 7 A07 0.00 AVB WEAR 76 133 94 19 A14 -0.03 AVB WEAR 77 134 93 8 A17 -0.03 AVB WEAR 78 134 93 39 A15 0.00 AVB WEAR 79 134 93 43 A13 -0.03 AVB WEAR 80 136 115 16 A15 0.00 AVB WEAR 81 136 115 14 A14 0.00 AVB WEAR 82 136 115 8 A12 0.00 AVB WEAR 83 136 115 10 A09 0.11 AVB WEAR 84 137 92 13 A16 0.00 AVB WEAR 85 137 92 12 A09 0.00 AVB WEAR 86 138 91 10 A11 0.00 AVB WEAR 87 138 105 20 A12 0.00 AVB WEAR 88 139 94 30 A10 0.00 AVB WEAR 89 140 71 8 A15 0.16 AVB WEAR 90 140 71 8 A11 0.24 AVB WEAR 91 140 77 12 A13 0.03 AVB WEAR 92 140 77 18 A12 0.00 AVB WEAR 93 140 77 22 A09 -0.74 AVB WEAR 94 140 99 11 A18 0.08 AVB WEAR 95 140 99 9 A12 0.00 AVB WEAR 96 140 121 8 A09 -0.63 AVB WEAR 97 142 83 11 A11 -0.03 AVB WEAR 98 142 83 9 A10 0.08 AVB WEAR
Enclosure to 2CAN081404 Page 16 of 16 Attachment 2 Wear Indications - SG B FLAW ROW COL TWD LOCATION ELEVATION INDICATION 99 142 91 22 A15 -0.03 AVB WEAR 100 142 91 15 A13 -0.08 AVB WEAR 101 142 91 21 A11 -0.03 AVB WEAR 102 142 97 34 A11 0.00 AVB WEAR 103 4 81 10 05C 0.53 TSP WEAR 104 8 99 13 05C -0.27 TSP WEAR 105 77 168 8 06C 0.53 TSP WEAR 106 77 168 13 05C 0.55 TSP WEAR 107 90 163 12 05C -0.19 TSP WEAR 108 92 161 10 05C 0.40 TSP WEAR 109 92 161 8 04C -0.50 TSP WEAR 110 94 161 10 04C 0.63 TSP WEAR 111 97 158 10 04C 0.48 TSP WEAR 112 136 53 10 05C 0.43 TSP WEAR 113 139 126 12 08H -0.67 TSP WEAR 114 140 123 13 06H -0.55 TSP WEAR 115 141 60 13 04H 0.42 TSP WEAR 116 143 62 15 05C -0.61 TSP WEAR 117 144 63 13 05C -0.54 TSP WEAR 118 144 67 9 05C 0.59 TSP WEAR 119 144 67 9 05C -0.24 TSP WEAR 120 146 113 11 05H -0.61 TSP WEAR 121 148 109 11 04H -0.61 TSP WEAR 122 148 109 9 04H 0.45 TSP WEAR 123 100 25 21 TSC 12.75 LOOSE PART WEAR 124 102 25 6 TSC 12.11 LOOSE PART WEAR 125 138 119 11 TSH 0.29 LOOSE PART WEAR 126 138 119 12 TSH 1.12 LOOSE PART WEAR