ML20057E670
| ML20057E670 | |
| Person / Time | |
|---|---|
| Issue date: | 10/07/1993 |
| From: | Norrholm L Office of Nuclear Reactor Regulation |
| To: | Caso C WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP. |
| Shared Package | |
| ML20057E671 | List: |
| References | |
| REF-QA-99900404 NUDOCS 9310130017 | |
| Download: ML20057E670 (3) | |
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UNITED STATES i
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NUCLEAR REGULATORY COMMISSION 5
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WASHINGTON, D C. 20555-0001
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October 7,.1993 i
i Docket No. 99900404 j
i Mr. Carlo L. Caso, General Manager Nuclear and Advanced Technology Division I
Westinghouse Electric Corporation Post Office Box 355 l
Pittsburgh, Pennsylvania 15230
Dear Mr. Caso:
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SUBJECT:
NRC INSPECTION REPORT 99900404/93-01'
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I This letter addresses the inspection at your_ facility in forest Hills, Pennsylvania, conducted by Mr. K. R. Naidu and F. H. Burrows of this office on August 16-17, 1993, and the discussions of their findings with Mr. G. Dillon -
and other members of your staff at the conclusion of the insper. tion.
The purpose of the inspection was to verify the implementation of your quality assurance program in selected areas in the re-manufacture and dedication of' l
electrical components, specifically X-relays, being supplied as spare parts i
for installation in DB and DHP type circuit breakers. During this inspection, i
the inspectors reviewed the records related to the X-relays that were installed in circuit breakers at Connecticut Yankee Atomic Power Company's
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Haddam Neck nuclear power plant (Haddam Neck). On June 27, 1993, an X-relay in a DB-25 circuit breaker failed to reset'and caused a power failure'. During the inspection, the inspectors discussed with your staff the failures of similar X-relays that had occurred in the past;.specifically five failures that had occurred at Haddam Neck in 1984.
In this regard, the inspectors j
reviewed your letter of April 29, 1985, to Haddam Neck and determined t',at your evaluation of these failures was limited. The Nucitar Regulatory i
Commission (NRC) feels that regardless of the application of the failed X-relays, and whether they were used in safety or nonsafety-related (in iB or DHP) applications, you should have evaluated the potential consequences i
pursuant to the requirements of 10 CFR Part 21,_ particularly since you knew 1
that X-relays were used in safety-related circuit breakers.
Areas examined during the NRC inspection and our findings are discussed in the
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enclosed report. This inspection consisted of an examination of procedures and representative records, interviews with personnel, and observations by the inspector.
Within the scope of this inspection, we found no instance in which you failed to meet NRC requirements. However, the NRC is concerned that you may be performing limited evaluations pursuant to 10 CFR Part 21 reporting requirements.
9310130017 931007 PDR GA999 EfWWEST 99900404 PDR _
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Mr. Carlo L. Caso i l
In accordance with 10 CFR 2.790 of the Commission's regulations, a copy of this letter and the enclosed inspection report will be placed in the NRC's Public Document Room.
Should you have any questions concerning this inspection, we will be pleased to discuss them with you.
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Sincerely, I'
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L Q: :(a(hol+, Chief s
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Vendor Inspection Branch Division of Reactor Inspection and Licensee Performance Office of Nuclear Reactor Regulation
Enclosure:
Inspection Report 99900404/93-01
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s Mr. Carlo L. Caso October 7, 1993 In accordance with 10 CFR 2.790 of the Commission's regulations, a copy of this letter and the enclosed inspection report will be placed in the NRC's Public Document Room.
Should you have any questions concerning this inspection, we will be pleased to discuss them with you.
Sincerely, Leif J. Norrholm, Chief Vendor Inspection Branch Division of Reactor Inspection and Licensee Performance Office of Nuclear Reactor Regulation
Enclosure:
Inspection Report 99900404/93-01 DISTRIBUTION:
VIB R/F DRIL R/F Central Files / Docket Files /PDR/ RIDS IE:09 /
M-N. NRR OFFICE VIB/DRll-VIB/DRll VIB/DTi,l i
DRn/
DRIL/NRR L4hk RZimmkman NAME KNaidu/
GCwalina o
V 2FHBurrows N
DATE 9/20 /93 '
9/23 /93
- 9/ M 93 9/ /93 \\
/#! / /93 I
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COPY YES NO YES NO YES NO YES N
YES OFFICIAL RECORD COPY Document Name:
a: Westinghouse a
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