05000455/LER-2019-001, Manual Actuation of Auxiliary Feedwater Due to High Inboard Motor Bearing Temperature on Startup Feedwater Pump
| ML19171A178 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 06/20/2019 |
| From: | Kanavos M Exelon Generation Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| BYRON 201 9-0060 LER 2019-001-00 | |
| Download: ML19171A178 (4) | |
| Event date: | |
|---|---|
| Report date: | |
| Reporting criterion: | 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)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(i)(A), Completion of TS Shutdown 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2) |
| 4552019001R00 - NRC Website | |
text
Byron Generating Station Exeton Generation wvw.exeoncorpcom June 20,2019 LTR:
BYRON 201 9-0060 File:
1.10.0101 (1D.101) 2.07.01 00 (5A.108)
United States Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Byron Station, Unit 2 Renewed Facility Operating License No. NPF-66 NRC Docket No. STN 50-455
Subject:
Licensee Event Report (LER) No. 455-201 9-001 -00 Manual Actuation of Auxiliary Feedwater Due to High Inboard Motor Bearing Temperature on Startup Feedwater Pump Enclosed is Byron Station Licensee Event Report (LER) No. 455-2019-001-00 regarding manual actuation of auxiliary feedwater due to high inboard motor bearing temperature on startup feedwater pump on Byron Unit 2. This condition is being submitted in accordance with 10 CFR 50.73, Licensee Event Report System.
There are no regulatory commitments in this report.
Should you have any questions concerning this submittal, please contact Mr. Jon Cunzeman, Regulatory Assurance Manager, at (815) 406-2800.
Respectfully, Mark E. Kanavos Site Vice President Byron Generating Station MEKJZC/rm
Enclosure:
LER 455-2019-001-00 cc:
Regional Administrator NRC Region Ill NRC Senior Resident Inspector Byron Generating Station
NRC FORM 366 U.S. NUCLEAR REGULATORY COMMISSION APPROVED BY 0MB: NO. 3150-0104 EXPIRES: 0313112020 (04-2018)
Esliirated burden per respoese to comply with this mandatory collection request 80 hours9.259259e-4 days <br />0.0222 hours <br />1.322751e-4 weeks <br />3.044e-5 months <br />.
Reported lessons learned are ricoq)orated usIa the licensing process and fed back e LICENSEE EVENT REPORT (LER) esdastry Send conrmenls regurding burden eslinate to the tnformatisn Services &anch (See Page 2 for required number of digits/characters for each bock)
(T-2 F43(, US. Nuclear Regulatsip Commosen, Washngtsn, DC 20555-0001, or by email to Infocoltects.Resource@nrc.gov, and to the Desk Officer, Office of tnformaticn and Regalatory
- Affairs, NEOB-10202, (3150-01041, Office of Management and
- Budget, (See NUREG-1 022, R.3 for instruction and guidance for completing this form Washksgtsn, DC 20503.
If a means used to impese an iforriration cotlecten rises not htlp://www.nrc.ov/reading-rm/doc-colIections/nurecis/statf/sr1O22/r3i display a curneetty vatkt 0MB control nurriser, tie NRC may not conduct or sponsor, and a person is not required to responds, the icfsnisutice cnllectbn.
I 3. Page Byron Station Unit 2 05000455 1
OF 3
- 4. Title Manual Actuation of Auxiliary Feedwater Due to High Inboard Motor Bearing Temperature on Startup Feedwater Pump
- 5. Event Date
- 6. LER Number
- 7. Report Date
- 8. Other Facilities Involved Se uentiat Rev Facility Name Docket Number Month Day Year Year Nmber No.
Month Day Year N/A N/A Facility Name Docket Number 04 22 19 2019 001 00 06 20 2019 N/A N/A
- 9. Operating Mode
- 11. This Report is Submitted Pursuant to the Requirements of 10 CFR §: (Check all that apply)
[1 20.2201(b)
[1 20.2203(a)(3)(i)
LI 50.73(a)(2)(ii)(A)
LI 50.73(a)(2)(viii)(A)
LI 20.2201(d)
LI 20.2203(a)(3)(ii)
C]
50.73(a)(2)(ii)(B)
C]
50.73(a)(2)(viii)(B)
LI 20.2203(a)(1)
LI 20.2203(a)(4)
LI 50.73(a)(2)(iii)
LI 50.73(a)(2)(ix)(A)
LI 20.2203(a)(2)(i)
[1 50.36(c)(1)(i)(A) 50.73(a)(2)(iv)(A)
C]
50.73(a)(2)(x)
- 10. Power Level LI 20,2203(a)(2)(ii)
C]
50.36(c)(1)(ii)(A)
C]
50.73(a)(2)(v)(A)
LI 73.71(a)(4)
LI 20.2203(a)(2)(iii)
LI 50.36(c)(2)
LI 50.73(a)(2)(v)(B)
LI 73.71(a)(5)
LI 20.2203(a)(2)(iv)
LI 50.46(a)(3)(ii)
LI 50.73(a)(2)(v)(C)
[1 73.77(a)(1) 000 LI 20.2203(a)(2)(v)
LI 50.73(a)(2)(i)(A)
LI 50.73(a)(2)(v)(D)
LI 73.77(a)(2))
LI 20.2203(a)(2)(vi)
LI 50.73(a)(2)(i)(B)
LI 50.73(a)(2)(vii)
C]
73.77(a)(2)(ii)
LI 50.73(a)(2)ç)(C)
LI Other (Specify in Abstract below or in
E. Corrective Actions
Revise Operations procedures to include requirement or prerequisite for having more than one feedwater pump available prior to starting any feedwater pump. This action will address Unit 1 as well.
F. Previous Occurrences
There have been no previous occurrences of this event for Byron Station.
G. Component Failure Data
Manufacturer Model Nomenclature
Pacific Pump Division Dresser Industries HVC 10 X 19 XS Start Up Feedwater Pump Single StagePage 3
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