ML20136B644
| ML20136B644 | |
| Person / Time | |
|---|---|
| Site: | Pilgrim |
| Issue date: | 08/09/1979 |
| From: | Fulton J BOSTON EDISON CO. |
| To: | |
| References | |
| NUDOCS 7909100072 | |
| Download: ML20136B644 (1) | |
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BOSTON EDlSON CO:!PANY TELECOPY }!ESSAGE 215-337-5272 Datc/ Time: ^"U"
/
To.
Telephone Number To: Director, Region I From: Pilgrim Nuclear Power Station l
Office of Inspection and Enforec=ent RFD #1 Rocky 11111 Road l
U. S. Nuclear Regulatory Commission Plymouth,11A 02360 631 Park Avenue King of Prussia, PA 19406
Subject:
PRO:IPT REPORTABLE dCCURRENCE Docket l'un.ber 50-293; License DPR-35 s
' Assigned LER Number 79-029/01X-0 Event
Description:
On June 12, 1979 while perfoming repcir's on the "A" Core Spray Systen minimum flow line, a degradation of primary contaic=ent integrity occurred.
This is a viola tiou of Tec'h. Spec. 3.7.A.2.
Cause and Corrective Action: While investigating problems with the Core Spray Loop "A" minicten flov line, the disc in the 6" check valve rc. quired repair and was removed and replaced, ' thus violating pricary containment integrity. This occurrence was identified during an unscheduled IE Inspection.
Facility Status:
100
% Thermal I!W c) Routine Startup g) Shutdown d) 1:outin: Shutdo.n h) Refueling o) Steady State X
i) Other f) Load Changing j) !!ot Applicaple
- t. uritten follow-up report will be sent within tuo uccht.
NRC person notified
!!r. R. Architect Prep'ared by John M. Fulton 9v
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11:11 (2) copies to:
. :.J,,, *, [3 Director Of fico of !an.igement Infortation and Progra: Control va,.u..'ucle:e Regulatory Commission U. S. :
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