ML18086A322

LER 81-004/04T-0:on 810407,containment Fan Cooling Unit 24 Found Leaking Svc Water.Caused by Vent Valve 24SW63 Not Fully Closed.Valve Closed

ML18086A322
Person / Time
Site:	Salem
Issue date:	04/21/1981
From:	Steele W Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18086A319	List: ML18086A317 ML18086A322
References
LER-81-004-04T, LER-81-4-4T, NUDOCS 8104280654
Download: ML18086A322 (1)

Text

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NRt..fORM 3-136 NUCLEAR REGULATORY COMMISSION (7'.7.71 ~

LICENSEE EVENT REPORT CONTROL BLOCK: I f G) (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6 rIIIJ l N I J I s I G I s I 2 101 0 I 0 I -I 0 I 0I 0 I 0 I 0 I - I 0I 0 101 4 I 1 I 1 I l I i 101 I I0 7 8 g LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE JO 57 CAT SB CON'T CIT!]  :~~~~; LJJ©I ol sl ol ol ol 31 ii iK?)l...2.L4l ol 11 al i@I Ol 4 12-1110 11 IG) 7 B 60 61 DOCKET NUMBER 68 69 .OVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@

~ I While performing routine shift rounds at 0500 hours0.00579 days <br />0.139 hours <br />8.267196e-4 weeks <br />1.9025e-4 months <br /> on 4/7/81, an Equipment

[]JI] Operator discovered a Service Water leak emanating from the No. 24 Containment Fan

~ I Cooling Unit. In accordance with NRC IE Bulletin 80-24, the NRC was notified by

'. [QJ}] I telephone at 0630 hours0.00729 days <br />0.175 hours <br />0.00104 weeks <br />2.39715e-4 months <br /> with written confirmation transmitted later in the day.

~ Investigation revealed that a vent valve on the Fan Cooling Unit was not fully

[§JI] closed.

[ill]

7 B 9 80 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUB CODE

[TI!] lw IA I@ ~@ l!..J@) lvlAILlvlElxl@ (LI@) 1£..J@

7 0 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION

~ LER'RO LVENTYEAA REPORT NO. CODE TYPE NO.

~ REPORT NUMBER 1 a 11 1 21 22 1 1 23 1 o r o 14 1 24 26 1....... 1 27 1a 14 1 28 29 l.'!J 30 1 1 31 w

32 ACTION FUTURE EFFECT SHUTDOWN ~ ATTACHMENT NPRD-4 PRIME COMP. COMPONENT TAKEN ACTION ON PLANT METHOD HOURS ~ SUBMITTED FOAM liUB. SUPPLIER MANUFACTURER W@W@ W@

33 34 35 W

36 lolololo!

37 . 40 W@ W@ W@

41 42 43 IR j 3 I 4 I 0 I@

CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @ "" 47 IJlI] I A vent valve (24SW63) was found not p1lly closed. The valve was closed stopping the leak: No explanation for the valve not being fully closed can be found.

r::mJ o:rn o::m 7 B 9 80 tJ()\

FACILITY STATUS  % POWER OTHER STATUS v:::;:/

METHOD OF DISCOVERY DISCOVERY DESCRIPTION

[ill] l£.J@ I 0 I 0 I 0 l@)I NA I L!..J{§)I Operator Observation 1 0 e 10 12 13 "" 45 46 80 ACTIVITY CONTENT ~

RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE @

IIill W @) L!J@"-1 ....;N=A'"--------.11 I NA 1 0 9 10 11 "" 80

. PERSONNEL EXPOSURES t::::\_

NUMBER A TYPE DESCRIPTION Em 1 .0 I9 ol al olLii..-~A~--~------------------~

11 12 13 80 PERSONNEL INJURIES ~

NUMBER DESCRIPTION~

EE]

1 0 I e cl al cl@)~~A~----------------------~

11 12 00 LOSS OF OR DAMAGE TO FACILITY 143\

TYPE DESCRIPTION ~

E1IJ Lzj@).__~NA~--------------------------__,

7 B 9 10 80 PUBLICITY ISSUEDt,;:;\ DESCRIPTION~

C\ NRC USE ONLY .

IIIIJ LNJ~'----£1<11-------------------~

7 8 9 10 6B I I II I I IIII 69 I I 80I!;

NAME OF PREPARER~._.._.._.._.._.__._.._.._.._.__~

w. J. Steele PHONE:-6_0_9_-_9_3_S-_0_9_9_B_ _ _ __

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