ML26029A006
| ML26029A006 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 01/29/2026 |
| From: | Constellation Energy Generation |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML26029A004 | List: |
| References | |
| CCN: 26-06 | |
| Download: ML26029A006 (0) | |
Text
Page 1 of 3 FORM OAR-1 OWNERS ACTIVITY REPORT Report Number P3R25 Plant Peach Bottom Atomic Power Station, 1848 Lay Road, Delta, PA 17314 Unit No.
3 Commercial Service Date December 23, 1974 Refueling Outage Number P3R25 (if applicable)
Current Inspection Interval ISI = Fifth Inspection Interval / CISI = Third Inspection Interval (1st, 2nd, 3rd, 4th, other)
Current Inspection Period Third Inspection Period (ISI and Containment ISI)
(1st, 2nd, 3rd )
Edition and Addenda of Section XI applicable to the Inspection Plans ASME Section XI 2013 Edition Date and Revision of Inspection Plans ER-PB-330-1001 Rev. 7 (10/19/2023), Rev. 8 (10/15/2024), Rev. 9 (09/17/2025)
Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans Same as above Code Cases used:
N-532-5, N-613-2, N-639, N-702, N-716-1, N-805, N-845-1, N-854, N-858, N-864, N-867 CERTIFICATE OF CONFORMANCE I certify that (a) the statements made in this report are correct; (b) the examinations and tests, meet the Inspection Plan as required by the ASME Code,Section XI; and (c) the repair/replacement activities and evaluations supporting the completion of P3R25 conform to the requirements of Section XI (refueling outage number)
Signed Mark Weis, Fleet ISI Program Owner Date (Owner or Owners designee. Title)
CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Inspectors and employed by Hartford Steam Boiler Inspection and Insurance Company have inspected the items described in this Owner's Activity Report, and state that, to the best of my knowledge and belief, the Owner has performed all activities represented by this report in accordance with the requirements of Section XI.
By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied concerning the repair/replacement activities and evaluation described in this report. Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or property damage or a loss of any kind arising from or connected with this inspection.
Jordan Kan, Site ANII Commissions 14396 R, I, N, C PA 3045 (Inspectors Signature)
(National Board Number and Endorsement)
Date Weis, Mark E.
Digitally signed by Weis, Mark E.
Date: 2026.01.23 12:32:45 -05'00' Kan, Jordan Digitally signed by Kan, Jordan Date: 2026.01.23 12:35:13
-05'00'
Page 2 of 3 TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Category Examination Item Number Item Description Evaluation Description B-A B1.22 RPV Closure Head Meridional Weld CH-MA One previously identified indication exceeding the acceptance standards of IWB-3510 was identified with no flaw growth since previous inspection. Previous analytical evaluation (EC 01-00999) remains bounding for continued service.
E-A E1.30 Damaged Moisture Barrier As-found condition evaluated by engineering under IR 4906884 and found to be bounded by previous evaluation documented in EC 621863. This previous evaluation was provided to the NRC as part of the P3R21 OAR-1 (CCN: 18-16).
Corrective measures were taken under WO 5738191.
Page 3 of 3 TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE Code Class Item Description Description Of Work Date Completed Repair/Replacement Plan Number 1
RPV Head 30S001 Replaced RPV Head Closure Nut #4 10/29/2025 25-007 1
AO-3-01A-086A AO-3-01A-086B Main Steam Isolation Valves base metal weld buildup, seat replacement, and pressure-retaining bolting replacement 10/30/2025 10/31/2025 25-049 25-050