ML17192A921

Forwards LER 80-033/03L-0

ML17192A921
Person / Time
Site:	Dresden
Issue date:	08/18/1980
From:	Scott D COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17192A922	List: ML17192A921 ML19344E149
References
80-12, NUDOCS 8008270339
Download: ML17192A921 (2)

Text

Commo9alth Edison e

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e Dresden Nuclear Power Station 1

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  rrrinois so450 .htriil~ f\~Bl~*:\j Telephone 815/942-2921\LUUltU u.... e 0\1(~{£1 f\l£ COPl August 18, 1980 DJS LTR 1180;12 James G. Keppler,* Regional Director Directorate oLRegulatory Operations - Region III U.S. Nuclear Regulatory Connnission 799 Roosevelt Road Glen Ellyn, IL 60137 Reportable Occurrence Report t/80-33/031-0, Dock~~s being submitted to your office in accordance with Dresden Nuclear Power Station Technical Specification 6.6.B.2.(b), conditions leading to operation in a degraded mode permitted .by a limiting condition .for operation or plant shutdown required by a limiting condition for operation.

• • D. J. Scott Station Superintendent Dresden Nuclear Power Station DJS:lcg Enclosure cc: Director of Inspection.& Enforcement Director of Management Information & Program. Control U.S. Nuclear.Regulatory Connnission, Document Management Branch File/NRC . fi.

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• LICENSEE EVEN1>RE-P~R'f:i~'l:..i-i.~ '** .~.:~:* ....

CON'rROL. BLOCK' I ,, I 1G) . . IPLEME .~* 1.N~'OR>OfV.*E'"CL RECWREO INFORMATIONI m111 8. 9.

I L D LICENSEE CODE 1

14 15 6

1R 1s 13 10 1 o1 o, -1 o 1o 1o 1o 10 1- 1o 1o 101-4 11 11 11 11 101 LICENSE NUMBER 25 26 LICENSE TYPE JO 1 10 57 CAT 58

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60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION A~O PROBABLE CONSEQUENCES @ .

~ I During normal operation while conducting pump surveillance test, a ~" thru wall leak

~I was discovered in 3A CCSW pump casing. The health andsafety.of the general public

IITJ I was not endangered because the pump still met minimum surveillance requirements.

I:TIJ I ( T. S. 4. 5 ~ B.1..b) This is the first occurrence of this type.

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~ . 8 9 SYSTEM 80 CAUSE CAUSE. COMP. VALVE CODE CODE . SUBCODE COMPONENT CODE*" SUBCDOE suecODE

!III' Is jB I@ * ~@ ~@ IP 1u IM jP 1x Ix 1@ ~@ ~@

' 8 9 10 11"" 12 13 18 19 20 .

SEQUENTIAL OCCURRENCE REPORT REVISION 6 LEAtAO CVENTYEAR RE.PORTNO. COD6 TYPE .NO.*

v..:.J REPORT NUMBER I

21 s I 0I 22 I

23 I I0 j3 j 3 I 24 26-I......-1:

27 I 0I3 I 28 29

~

. JO

• 1=J . L.9.J ACTION TAKEN FUTURE.

ACTION EFFECT ON PLANT SHUTDOWN METHOD

• HOURS

@22 ATTACHMENT SUBMITTED NPll.04*

FORM sue.

PRIME COMP:

SUPPLIER 31 32" COMPONENT MANUFACTURER

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33 34 L:...I@*

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CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS @ -

1 Ia I I The leak was from a casting hole on the bottom of the casing. The pump was taken out 1 11 I of service and the hole was plugged.. The pump was tested satisfactorily. All remain-1 12 I ing pump casings were visually inspected with no abnormalities. noted. Future. UT '.

I1iJ *I ;inspections: .o~. pump°!.' ca~ing-s:.. ::tor be;, per'f.ormed.

~* 9L-~~~--~~~~--~~~~~~---~~--~~~~~~~---~~~~~~--~~~~~~~~~~8....0 FACILITY 13()\ METHOD OF (.;::;\

DISCOVERY*DESCRiPTiON ~

~ ~@

STATUS LI 0

% POWER 9 I ~}(§t 1

OTHER STATUS N/ A

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.

44 DISCOVERY

~: l@~~-O_p_e.. ra_t_o_r_O_b_s_e_rv_a_t_.i_*o_n_ _ _ _ _ _ _ _ _ _,j 8

ACTIVITY CONTENT. ~

RELEASED OF RELEASE AMOUNT OF. ACTIVITY LOCATION OF RELEASE@

-;"Tsl_* w@ W@.._I_N....;../_A_ _ _ _ ___.I N/A

~ 9 10 11 44 45 80 PERSONNEL EXPOSURES -~

NUMB. ER A TYPE DESCRIPTION

>-;T7181010

~ 9 IOJ~~<§~*------~__;N~/~A;______________.,.......___~------------~~---------------------

11 12 13 80 PERSONNEL INJURIES f:;'\

NUMBER DESCRIPTION~

>;-ral _ jO IO IO r 49 9 11 1(§)._____~__;N~/~A---....-~....----------------....-....-....-.,...---..---..---..---..---..--....-----....-....-....--..--......80 12 LOSS OF OR DAMAGE TO FACILITY t4J\

TYPE DESCRIPTION '..::.::J L.:J<§) N/A 8 9 10 80 0

PUBLICITY C\ NRC USE ONLY ISSUEDt,;';;\ DESCRIPTION

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i!:U6 N/A 1111111111111~

9 10 68 69 80* ;.