ULNRC-06799, Submittal of Licensee Event Report 2022-003-01, Class 1E Electrical Air Conditioning System Thermal Expansion Valve Failure Resulted in Condition Prohibited by Technical Specifications
| ML23194A171 | |
| Person / Time | |
|---|---|
| Site: | Callaway  |
| Issue date: | 07/13/2023 |
| From: | Witt T Ameren Missouri, Union Electric Co |
| To: | Office of Nuclear Reactor Regulation, Document Control Desk |
| Shared Package | |
| ML23194A170 | List:
|
| References | |
| LER 2022-003-01, ULNRC-06799 | |
| Download: ML23194A171 (1) | |
Text
- >;IA,l1eI_efl Callaway Plant MISSOURI July 13, 2023 ULNRC-06799 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-000 1 10 CFR 50.73 Ladies and Gentlemen:
DOCKET NUMBER 50-483 CALLAWAY PLANT UNIT 1 UNION ELECTRIC CO.
RENEWED FACILITY OPERATING LICENSE NPF-30 LICENSEE EVENT REPORT 2022-003-0 1 CLASS 1E ELECTRICAL AIR CONDITIONING SYSTEM THERMAL EXPANSION VALVE FAILURE RESULTED IN CONDITION PROHIBITED BY TECHNICAL SPECIFICATIONS The enclosed Licensee Event Report (LER) is submitted in accordance with 1 0 CFR 50.73 (a)(2)(i)(B) to report a condition prohibited by Technical Specifications when one train of the Class 1 E Electrical Equipment Air Conditioning system was inoperable. This is a supplement to the initial report submitted via Ameren Missouri letter ULNRC-06790, Class 1 E Electrical Air Conditioning System Thermal Expansion Valve Failure Resulted in Condition Prohibited by Technical Specifications, dated December 21, 2022 (ADAMS Accession No. ML22355A439).
This letter does not contain new commitments.
Sincerely, Todd Witt Manager, Regulatory Affairs Enclosure LER 2022-003-01 83 15 uity Road 4.59 Steedrnan., 1\\l() 65077 A.iereri1\\1issouricon
ULNRC-06799 July 13, 2023 Page 2 of 3 cc:
Mr. Robert Lewis Regional Administrator U. S. Nuclear Regulatory Commission Region IV 1 600 East Lamar Boulevard Arlington, TX 76011-4511 Senior Resident Inspector Callaway Resident Office U.S. Nuclear Regulatory Commission 8201 NRC Road Steedman, MO 65077 Mr. M. Chawla Project Manager, Callaway Plant Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Mail Stop O8B1A Washington, DC 20555-000 1
ULNRC-06799 July 13, 2023 Page 3 of 3 Index and send hardcopy to QA File A160.0761 Hardcopy:
Certrec Corporation 6500 West Freeway, Suite 400 FortWorth,TX 76116 (Certrec receives ALL attachments as long as they are non-safeguards and may be publicly disclosed.)
Electronic distribution for the following can be made via LER ULNRC Distribution:
F. M. Diya K. C. Scott B. L. Jungrnann G. J. Perry T. A. Witt T. B. Elwood Corporate Oversight NSRB Secretary Performance Improvement Coordinator Resident Inspectors (NRC)
STARS Regulatory Affairs Mr. Jay Silberg (Pillsbury Winthrop Shaw Pittman LLP)
Ms. Kathleen McNelis (Public Service Commission)
Ms. Claire Eubanks (Public Service Commission)