ML19347C804
| ML19347C804 | |
| Person / Time | |
|---|---|
| Site: | Oyster Creek |
| Issue date: | 01/14/1974 |
| From: | Rone A JERSEY CENTRAL POWER & LIGHT CO. |
| To: | |
| References | |
| AO-50-219-74-3, NUDOCS 8103040604 | |
| Download: ML19347C804 (2) | |
Text
Initini Telhphon5 Dtte cf Report Datt;<:
1/14/74 Occurrence 1/13/74 lidtiniWritten Time of
' leport Date:
1/14/74 Occurrence:
1700 OYSTER CREEK NUCLEAR GENEPATING STATION
~
' FORKED RIVER, NEW JERSEY OS731 Abnormal Occurrence Report No. 50-219/74/ 3 IDE.DIFICATION Violation of the Technical Specifications, paragraph N/A Failure of Hydraulic Shock and Sway Arrestors on one Core
. Spray System and two Isolation Condenser systems.
.~
'Ihis event is considered to be an abnormal occurrence as de-fined in the Technical Specifications, paragraph 1.15D CONDITIONS PRIOR TO OCCURRENCE:
Steady State Power Routine Shutdown Hot Standby Operation A
Cold Shutdown Load Changes During Refueling Shutdown Routine Power Operation Routine Startup Other (Specify)
Operation
-The plant was shutdown with reactor coolant at <212 F.
DESCRIPTION During the required inspection of.the Bergen P.aterson HSSA-10 0F OCCURRENCE:
units in the primary containment, five units were discovered to be devoid of fluid. They were located as follows:
3 "A" Isolation Condenser 1.
"B" Isolation Condenser 1 - Core Spray System #2 i
{
f/Mo O 6 O THIS DOCUMENT CONTAINS l
POOR QUAL.lTY PAGES
Abn;r:n1 Occurrence f._
Reptrt No. 30-219/74/ 3
(
Page 2 r
t APPAREST CAUSE Design Procedurc 0F OCCURRENCE:
F!anufacture Unusual Service Condition Installation /
Inc. Environmental Construcrion Component Failure Ope rator Other (Specify)
The cause of snubb'cr inoperabil'ity was due to a loss of hydraulic fluid.
'Ihc cause of fluid loss is presently
. under investigation.
ANALYSIS OF The safety significance of tis occurrence was a partial O CCU.Y.E.NCE : Icss of the seismic rer,trnining ability for the ts o affected systccs. 1:ad the plant suffered a design bases carthouake, the probability that these two systems would hz.ve suffered structural damage was increased. CORRECTIVE The failed units were replaced with units that were rebuilt ACTION: with ethylene propylene (Parker Grade E652-90) seal material. e FAILURE DATA: Flanufacturer: Bergen Paterson Type: ilSSA-10 Scrial Nos.: 487S17 4874S7 477376 470924 469962 r .O Prepared by: ..I f
- _ c'
.Date: I/14/74 l. ,}}