ML19206A535
| ML19206A535 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 08/26/1975 |
| From: | Arnold R Metropolitan Edison Co |
| To: | Knuth D NRC/IE |
| References | |
| GQL-1411, NUDOCS 7904200111 | |
| Download: ML19206A535 (2) | |
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Dear Dr. Inuth:
Cn July 2h,1975, Mr. L. ::ar cv of your office was verbally notified of a situation which we do not consider reportable in accordance with ICCFF.50.55(e) but which was repcrted for infornaticn Only.
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m Descrittien of 'ncident As e. result of a visual exanination of scne Reactor Building cable trays it was acted that approxi ately 75% of all Peactor Bulliing cable trays exhibited
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May 29, 1974 Directorate of Regulatory Operations Sulletin 74-6 DEFECTIVE 'ESTINGHOUSE TYPE W-2 CCNTROL SWITCH CCMPCNENT Recen t inspection findings indicate a possible safety problem may exist in plants e= ploying Westinghouse Type W-2 control switches.
The infor-mation is as follows:
A.
Descriction of Circumstances Plant A Ey notification from Westinghouse Nuclear Service Division, dated February 8, 1973, the licensee was inforced of a defect in certain Westinghouse Type W-2 control switches.
Repair kits were ordered to replace the def ective co ponents.
Inspection of the replacement parts, prior to installation, revealed 8 of 14 pull levels (metal discs with expansion pins inserted) to be cracked.
None of the replacement parts were installed.
Plant 3 Following the same notification from Westinghouse as above, repair kits were ordered to replace the defective component.
Replacement parts were installed in forty switches.
One pull lever was found
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cracked during installation and discarded.
Two spare repair kits were retained. At the request of the Atomic Energy Commission the pull lev 2rs in these two spare kits were inspected.
One of the two was found to be cracked.
B.
Action Recuested 1.
If these switches are used in safety systems in your plant please notify this office, within 30 days of receipt of this Bulletin, in writing, of the extent of such use and the actions you plan to take or have taken to correct the problem with the original W-2 switches and to assure that repair parts are not defective.
If corrective actions have not been ecmpleted, it is requested that your scheduled date of ccapletion be provided.
2.
If this =atter does not apply to,your plant, a negative report is requested.
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