ML20024E660
| ML20024E660 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 08/04/1983 |
| From: | Toole R GENERAL PUBLIC UTILITIES CORP. |
| To: | Murley T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| 5211-83-225, RO-83-18, NUDOCS 8308160333 | |
| Download: ML20024E660 (1) | |
Text
GPU Nuclear Corporation g
gf Post Office Bcx 480 Route 441 South Middletown, Pennsylvania 17057 0191 717 944 7621 TELEX 84 2386 Writer's C! ect Dial Nurnber:
August 4, 1983 5211-83-225 Dr. Thomas A. Murley Region I, Regional Administrator U. S. Nuclear Regulatory Commission 631 Park Avence King of Prussia, PA 19406
Dear Sir:
Three Mile Island Nuclear Station, Unit 1 (TMI-1)
Operating License No. DPR-50 Docket No. 50-289 Licensee Event Report No. 83-18 This telecopy is to confirm the conversation between Mr. F. Young, Region 1 NRC and Mr. M. A. Nelson, at 1155 hours0.0134 days <br />0.321 hours <br />0.00191 weeks <br />4.394775e-4 months <br /> on August 4, 1983.
The event described below was declared reportable at 1000 hours0.0116 days <br />0.278 hours <br />0.00165 weeks <br />3.805e-4 months <br /> on this date.
On August 3,1983, during the course of maintenance inspections, being per-formed on hydraulic snubbers, two small bore snubbers (Mark No. RC-23-10 and RC-24-12) were identified as being installed on the Reactor Coolant System hot leg vent piping downstream of valves RC-V15A and B.
These snubbers have been installed since 1973, but,through personnel error, were not identified as safety-related snubbers for the purposes of performing the surveillance inspections and tests which are required by Tech. Spec. 4.17.
It is believed that the personnel error was a failure to consider the two small diameter piping isometric field sketches (which are the only plant drawings which identify these snubbers) when the initial safety-related snubber list was prepared.
This e' rent is therefore considered reportable within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> in accordance with Tecn. Spec. 6.9.2.A.(6).
These snubbers will be verified operable pcr Tech. Spec. 4.17 prior to leaving the present cold shutdown plant condition in accordance with Tech. Spec. 3.16 requirements.
The details of this occurrence and the corrective actions to prevent its recurrence will be provided within 14 days.
Sincerely, 8308160333 830804 PDR ADOCK 05000289 S
PDR R. J. Toole Operations & Maintenance cc:
R. J. Conte Director, TM1-1 GPU Nuclear Corporation is a subsidiary of the General Public Utilities Corporation
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