ML13211A315: Difference between revisions

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{{#Wiki_filter:INDIANAMICHIGANPOWER0A unit of American Electric PowerIndiana Michigan PowerCook Nuclear PlantOne Cook PlaceBridgman, MI 49106IndianaMichiganPower.com AEP-NRC-2013-58 10 CFR 50.73July 25, 2013Docket No.: 50-315U. S. Nuclear Regulatory Commission Attn: Document Control DeskWashington, DC 20555-0001 Donald C. Cook Nuclear Plant Unit 1WITHDRAWAL OF LICENSEE EVENT REPORT 315/2012-002-00 In accordance with the criteria established by NUREG-1022, Revision 3, Section 5, Licensee EventReports, the following Licensee Event Report (LER) is being withdrawn:
LER 315/2012-002-00:
"Unit 1 Exceeded Technical Specification Time Limit to Shutdown."
By letter dated September 14, 2012, Indiana Michigan Power (I&M), the licensee forDonald C. Cook Nuclear Plant (CNP), submitted LER 315/2012-002-00, "Unit 1 ExceededTechnical Specification Time Limit to Shutdown."
At that time, CNP understood that the location ofthe wiring failure (failed wiring splice) affected the actuation function (Engineered Safety FeaturesActuation System) rather than the component (Steam Generator Stop Valve).Based on additional investigation, CNP has determined that the wiring failure instead affected thecomponent rather than the actuating function.
Consequently, the incorrect Technical Specification (TS) action statement for TS 3.3.2 was entered instead of TS 3.7.2. Repairs were completed in atime-frame such that Unit 1 would not have exceeded the TS 3.7.2 time limit to shutdown.
As aresult, I&M is withdrawing LER 315/2012-002-00.
There are no commitments contained in this submittal.
Should you have any questions, pleasecontact Mr. Michael K. Scarpello, Regulatory Affairs Manager, at (269) 466-2649.
Sincerely, Joel P. GebbieSite Vice President RAW/db~.A. ~L-(L.
U.S. Nuclear Regulatory Commission AEP-NRC-2013-58 Page 2c: LEReventscinpo.orq (e-mail only)J. T. King -MPSCS. M. Krawec -AEP Ft. WayneMDEQ -RMD/RPSNRC Resident Inspector C. A. Casto -NRC Region IIIT.J. Wengart -NRC Washington DC}}

Revision as of 17:49, 4 July 2018

Donald C. Cook, Unit 1, Withdrawal of Licensee Event Report (LER) 12-002-00
ML13211A315
Person / Time
Site: Cook American Electric Power icon.png
Issue date: 07/25/2013
From: Gebbie J P
Indiana Michigan Power Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
AEP-NRC-2013-58 LER 12-002-00
Download: ML13211A315 (2)
v • d • e


Text

INDIANAMICHIGANPOWER0A unit of American Electric PowerIndiana Michigan PowerCook Nuclear PlantOne Cook PlaceBridgman, MI 49106IndianaMichiganPower.com AEP-NRC-2013-58 10 CFR 50.73July 25, 2013Docket No.: 50-315U. S. Nuclear Regulatory Commission Attn: Document Control DeskWashington, DC 20555-0001 Donald C. Cook Nuclear Plant Unit 1WITHDRAWAL OF LICENSEE EVENT REPORT 315/2012-002-00 In accordance with the criteria established by NUREG-1022, Revision 3, Section 5, Licensee EventReports, the following Licensee Event Report (LER) is being withdrawn:

LER 315/2012-002-00:

"Unit 1 Exceeded Technical Specification Time Limit to Shutdown."

By letter dated September 14, 2012, Indiana Michigan Power (I&M), the licensee forDonald C. Cook Nuclear Plant (CNP), submitted LER 315/2012-002-00, "Unit 1 ExceededTechnical Specification Time Limit to Shutdown."

At that time, CNP understood that the location ofthe wiring failure (failed wiring splice) affected the actuation function (Engineered Safety FeaturesActuation System) rather than the component (Steam Generator Stop Valve).Based on additional investigation, CNP has determined that the wiring failure instead affected thecomponent rather than the actuating function.

Consequently, the incorrect Technical Specification (TS) action statement for TS 3.3.2 was entered instead of TS 3.7.2. Repairs were completed in atime-frame such that Unit 1 would not have exceeded the TS 3.7.2 time limit to shutdown.

As aresult, I&M is withdrawing LER 315/2012-002-00.

There are no commitments contained in this submittal.

Should you have any questions, pleasecontact Mr. Michael K. Scarpello, Regulatory Affairs Manager, at (269) 466-2649.

Sincerely, Joel P. GebbieSite Vice President RAW/db~.A. ~L-(L.

U.S. Nuclear Regulatory Commission AEP-NRC-2013-58 Page 2c: LEReventscinpo.orq (e-mail only)J. T. King -MPSCS. M. Krawec -AEP Ft. WayneMDEQ -RMD/RPSNRC Resident Inspector C. A. Casto -NRC Region IIIT.J. Wengart -NRC Washington DC

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