L-MT-17-031, Interim Report of a Deviation or Failure to Comply Regarding New Relay Coil GE Part Number 6306774G1
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| ML17110A244 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 04/20/2017 |
| From: | Gardner P Northern States Power Company, Minnesota, Xcel Energy |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| L-MT-17-031 | |
| Download: ML17110A244 (1) | |
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2807 West County Road 75 Monticello, MN 55362 (}, Xcel Energy*
RESPONSIBLE BY NATURE*
800.895.4999 xcelenergy.com April 20, 2017 L-MT-17-031 10 CFR 21.21 (a)(2)
ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 Monticello Nuclear Generating Plant Docket 50-263 Renewed Facility Operating License No. DPR-22 Interim Report of a Deviation or Failure to Comply Pursuant to 10 CFR 21.21 (a)(2), Northern States Power Company, a Minnesota Corporation, (NSPM), doing business as Xcel Energy, hereby submits this interim report.
As part of a rebuild of a station relay, a new relay coil GE part number 6306774G1, failed to meet voltage pickup criteria during bench testing per GEl-38945. The relay coil was out of the acceptance band of 65-70 VDC. This relay coil had never been installed, but was purchased under a vendor's 10 CFR Appendix B program and had been receipt inspected prior to the failed bench test. The failed relay coil has been sent to GE for evaluation; however, the expected return of the evaluation has yet to be determined by the vendor.
If there is any question or if additional information is needed, please contact Stephen Sollom, at (763) 295-1611.
Summary of Commitments There are no new commitments and no revisions to existing commitments in this letter.
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Peter A. Gardner Site Vice President, Monticello Nuclear Generating Plant Northern States Power Company - Minnesota cc: Administrator, Region Ill, USNRC Resident Inspector, MNGP, USNRC Project Manager, MNGP, USNRC