05000272/LER-1980-041-03, /03X-1:on 800708,during Normal Operation Safety Injection Pump 11 Declared Inoperable Because of Water Mixed W/Lubricating Oils.Caused by Cooler Tube Failure.Tube Plugged & Tested Satisfactorily

/03X-1:on 800708,during Normal Operation Safety Injection Pump 11 Declared Inoperable Because of Water Mixed W/Lubricating Oils.Caused by Cooler Tube Failure.Tube Plugged & Tested Satisfactorily

ML18082B286
Person / Time
Site:	Salem
Issue date:	10/01/1980
From:	Randolph J Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18082B282	List: 05000272/LER-1980-041, Forwards LER 80-041/03X-1 05000272/LER-1980-041-03, /03X-1:on 800708,during Normal Operation Safety Injection Pump 11 Declared Inoperable Because of Water Mixed W/Lubricating Oils.Caused by Cooler Tube Failure.Tube Plugged & Tested Satisfactorily
References
LER-80-041-03X, LER-80-41-3X, NUDOCS 8010060280
Download: ML18082B286 (2)

LER-1980-041, /03X-1:on 800708,during Normal Operation Safety Injection Pump 11 Declared Inoperable Because of Water Mixed W/Lubricating Oils.Caused by Cooler Tube Failure.Tube Plugged & Tested Satisfactorily

Event date:
Report date:
2721980041R03 - NRC Website

text

Report Number:

80-41/03X-l Report Date:.

10/1/80 Occurrence Date:

July 8, 1980 Facility:

Salem Generating Station -

Unit 1 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

No. 11 Safety Injection Pump Inoperable CONDITIONS PRIOR TO OCCURRENCE:

Mode 1, Reactor Power 100%

DESCRIPTION OF OCCURRENCE:

At 0730 hours0.00845 days <br />0.203 hours <br />0.00121 weeks <br />2.77765e-4 months <br />, during routine rounds, it was observed that water was in the gauge glass of No. 11 Safety Injection Pump lube oil cooler.

Action Statement 3.4.2.a was entered which required if one ECCS subsystem is inoperable, it must be restored to operable status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in hot shutdown within the.next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Cooler Tube Failure ANALYSIS OF OCCURRENCE:

The Safety Injection Pump was removed from service and a pressure test performed to determine the cause of the water in-leakage.

It was determined a tube had failed.

CORRECTIVE ACTION

The failed tube was plugged and pressure tested satisfactorily.

The Safety Injection Pump was proved operable and the Action Statement terminated at 2125 hours0.0246 days <br />0.59 hours <br />0.00351 weeks <br />8.085625e-4 months <br />.

Because of the two recent failures of lube oil to service water coolers, a pressure test will be conducted on the other Safety Injection Pump and both Centrifugal Charging Pumps, which have similar type coolers, in the current outage to insure their integrity.

FAILURE DATA:

Pacific Pumps, Inc.

10 Stage Horizontal Centrifugal Prepared By J. M. Randolph Manager -

Sa~em Generating Station SORC Meeting No.

75-80 8 01ooao a~o

NRC FORM 366 (7-17)

U.S. NUCLEAR REGULATORY COMMISSION e

LICENSEE EVENT REPORT

• CONTROL BLOCK: ~I_* -'-~~_.._l~~-'---'IG) 1 6

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

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I During routine operation, it was determined at 0730 hours0.00845 days <br />0.203 hours <br />0.00121 weeks <br />2.77765e-4 months <br /> water had mixed with the lubricating oils in #11 Safety Injection Pump.

The pump was declared inoperable and Action Statement 3.5.2.a was entered (76-23, 77-34, 77-72, 79-68, 80-38).

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SYSTEM CODE IP I cl@

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LER/RO LVENT YEAR

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

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The failed tube was plugged and retested satisfactorily.

The Action Statement was ITTIJ ITITl CITIJ terminated at 2125 hours0.0246 days <br />0.59 hours <br />0.00351 weeks <br />8.085625e-4 months <br />.

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