05000454/LER-2013-001, Regarding Failed Surveillance Test of a Train Control Room Emergency Filtration System
| ML13338A586 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 11/18/2013 |
| From: | Kearney F Exelon Generation Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| BYRON 2013 -0142 LER 2013-001-00 | |
| Download: ML13338A586 (5) | |
| Event date: | |
|---|---|
| Report date: | |
| Reporting criterion: | 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(ii)(A), Seriously Degraded 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 10 CFR 50.73(a)(2)(viii)(B) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.73(a)(2)(ix)(A) 10 CFR 50.73(a)(2)(iv)(A), System Actuation 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(v)(A), Loss of Safety Function - Shutdown the Reactor 10 CFR 50.73(a)(2)(v)(B), Loss of Safety Function - Remove Residual Heat 10 CFR 50.73(a)(2)(i)(A), Completion of TS Shutdown 10 CFR 50.73(a)(2)(v), Loss of Safety Function |
| 4542013001R00 - NRC Website | |
text
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Byron Generating Station d4450 North German Church Road Exetn G nera ionByron, IL 61010-9794 ExeLon www.exeloncorp.com November 18, 2013 LTR:
BYRON 2013 -0142 File:
1.10.0101 United States Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001
Subject:
Licensee Event Report (LER) 454-2013-001-00, "Unit 1 Failed Surveillance Test of A Train Control Room Emergency Filtration System" Byron Station, Unit 1 Facility Operating License No. NPF-37 NRC Docket No. STN 50-454 Enclosed is an LER concerning the Byron Station Unit 1 Unit 1 Failed Surveillance Test of A Train Control Room Emergency Filtration System that occurred on September 17, 2013. This condition is. reportab!e to the NRC-in accordance with fi0 CFR 50.73(a)(2)(i)(B) - Any Operation or'Condition Prohibited by.the:PlnhtlTechnical Specifications.
Should you have any questions concerning this submittal, please contact Mr. Steven Gackstetter, Regulatory Assurance Manager, at (815) 406-2800.
Respectfully,
- a~ber A. Kearneyy Site Vice President Byron Station FAK/GC/dr Enclosure
- ' -
LER 454-2013-001-00 cc:-
.Regiohal*Administriator'-
NRC Regibn'lll '
NRC Senior Resident Inspector-Byron Nuclear Power-Station
ecc:
Illinois Emergency Management Agency -
Division of Nuclear Safety Director -
Licensing and Regulatory Affairs Regulatory Assurance Manager -
Byron Station Manager, Licensing Exelon Document Control Desk Licensing Byron NSRB coordinator Byron NRC coordinator Patricia Buckley, Regional Administrator Office Assistant Tammy Tomczak, Deputy Regional Administrator Office Assistant
NRC FORM 366 U.S. NUCLEAR REGULATORY COMMISSION APPROVED BY OMB: NO. 3150-0104 EXPIRES: 10/31/2013 (10-2010)
, the NRC may sfor each block) not conduct or sponsor, and a person is not required to respond to, the digits/characters finformation collection.
- 3. PAGE Byron Station, Unit 1 05000454 1 OF 3
- 4. TITLE Failed Surveillance Test of A Train Control Room Emergency Filtration System
- 5. EVENT DATE
- 6. LER NUMBER
- 7. REPORT DATE
- 8. OTHER FACILITIES INVOLVED FACILITY NAME DOCKET NUMBER MONTH DAY YEAR YEAR SEQUENTIAL REV MONTH DAY YEAR N/A N/A
_ONTH
_AY
_EAR EA NUMBER NO.
FACILITY NAME DOCKET NUMBER 09 17 2013 2013 001 -
00 11 18 2013 Byron Station, Unit 2 05000455
- 9. OPERATING MODE
- 11. THIS REPORT IS SUBMITTED PURSUANT TO THE REQUIREMENTS OF 10 CFR §: (Check all that apply) 0l 20.2201(b)
Cl 20.2203(a)(3)(i)
Cl 50.73(a)(2)(i)(C)
[E 50.73(a)(2)(vii) 1 [1 20.2201(d)
El 20.2203(a)(3)(ii)
El 50.73(a)(2)(ii)(A)
El 50.73(a)(2)(viii)(A)
El 20.2203(a)(1)
El 20.2203(a)(4)
[E 50.73(a)(2)(ii)(B)
El 50.73(a)(2)(viii)(B)
__ 20.2203(a)(2)(i)
El 50.36(c)(1)(i)(A)
[I 50.73(a)(2)(iii)
[I 50.73(a)(2)(ix)(A)
- 10. POWER LEVEL El 20.2203(a)(2)(ii)
Dl 50.36(c)(1)(ii)(A)
El 50.73(a)(2)(iv)(A)
[I 50.73(a)(2)(x)
El 20.2203(a)(2)(iii)
El 50.36(c)(2)
El 50.73(a)(2)(v)(A)
El 73.71(a)(4) 100 El 20.2203(a)(2)(iv)
El 50.46(a)(3)(ii)
[I 50.73(a)(2)(v)(B)
[1 73.71(a)(5)
El 20.2203(a)(2)(v)
[E 50.73(a)(2)(i)(A)
El 50.73(a)(2)(v)(C)
[E OTHER El 20.2203(a)(2)(vi) 0 50.73(a)(2)(i)(B)
El 50.73(a)(2)(v)(D)
Specify in Abstract below or in
E. Corrective Actions
The A Train Control Room Emergency Filtration System charcoal bed was replaced and tested on September 27, 2013.
F. Previous Occurrences
There have been no previous occurrences of this nature in the previous three years.