05000483/LER-2020-002, Submittal of LER 2020-002-00 for Callaway, Unit 1, Reactor Trip and AFW Actuation Following Spurious MFRV Closure

Submittal of LER 2020-002-00 for Callaway, Unit 1, Reactor Trip and AFW Actuation Following Spurious MFRV Closure

ML20155K872
Person / Time
Site:	Callaway
Issue date:	06/03/2020
From:	Bianco F Ameren Missouri
To:	Document Control Desk, Office of Nuclear Reactor Regulation
Shared Package
ML20155K871	List: 05000483/LER-2020-002, Submittal of LER 2020-002-00 for Callaway, Unit 1, Reactor Trip and AFW Actuation Following Spurious MFRV Closure
References
LER 2020-002-00, ULNRC-06585
Download: ML20155K872 (3)

LER-2020-002, Submittal of LER 2020-002-00 for Callaway, Unit 1, Reactor Trip and AFW Actuation Following Spurious MFRV Closure

Event date:
Report date:
4832020002R00 - NRC Website

text

.AIIieIsefl Callaway Plant MISSOURI 3, 2020 June ULNRC-06585 U.S. Nuclear Regulatory Commission Attn

Document Control Desk Washington, DC 20555-0001 1 OCFR5O.73 Ladies and Gentlemen:

DOCKET NUMBER 50-483 CALLAWAY PLANT UNIT 1 UNION ELECTRIC CO.

RENEWED FACILITY OPERATING LICENSE NPF-30 LICENSEE EVENT REPORT 2020-002-00 REACTOR TRIP AND AFW ACTUATION FOLLOWING SPURIOUS MFRV CLOSURE The enclosed licensee event report is submitted in accordance with 10CFR5O.73(a)(2)(iv)(A) to report a reactor trip and auxiliary feedwater actuation following the spurious closure of the C main feedwater regulating valve.

If you have any questions concerning this LER, please contact Tom Elwood, Supervising Engineer, Regulatory Affairs and Licensing at (314) 225-1905.

This letter does not contain new commitments.

Sincerely, Fred Bianco Senior Director, Nuclear Operations Enclosure LER 2020-002-00 8315 County Road 459 : Steedman, MO 65077  : AmerenMissourLcom

ULNRC-06585 June 3, 2020 Page 2 of 3 cc: Mr. Scott A. Morris Regional Administrator U. S. Nuclear Regulatory Commission Region IV 1600 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. L. John Klos Project Manager, Callaway Plant Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Mail Stop 09E3 Washington, DC 20555-0001

ULNRC-06585 June 3, 2020 Page 3 of 3 Index and send hardcopy to QA File A160.0761 Hardcopy:

Certrec Corporation 6100 Western Place, Suite 1050 Fort Worth, TX 76107 (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 B. L Cox F. J. Bianco S. P. Banker R. C. Wink T. B. Elwood Corporate Oversight NSRB Secretary Performance Improvement Coordinator Resident Inspectors (NRC)

STARS Regulatory Affairs Mr. Jay Silberg (Pillsbury Winthrop Shaw Pittman LLP)

Missouri Public Service Commission