ML18037A263

LER 80-009/03L-0:on 800521,during Steady State Operation, Attempts to Stroke 122 Containment Spray Isolation Valve Failed.Caused by Isolation Valve Solenoids Being Dirty. Revising Procedures to Require Periodic Maint for Valve

ML18037A263
Person / Time
Site:	Nine Mile Point
Issue date:	06/03/1980
From:	Falise M NIAGARA MOHAWK POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17053B696	List: ML17053B695 ML18037A263
References
LER-80-009-03L, LER-80-9-3L, NUDOCS 8006090376
Download: ML18037A263 (2)

Text

2VRC Fb'366 ~1 ~ S. NUCLEAR REGULATORY COMMISSION I7.77 I L(CENSEE EVENT REPORT CONTROL BLOCK:

I ,Q (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

~01 7 8 V V ~

LICENSEE CODE

~Q2 14 15 LICENSE NUMBER 25 Q 26 LICENSE TYPE 30 QE~

~ 57 CAT 58 QR CON'T

~01 7 8 soURGE MO 60 61 5 0 0 0 DOCKET NUMBER 2 2 0 68 7

69 0 > 2 EVENT DATE 1 8 0 74 Q 75 0 6 0 REPORT DATE 3 8 80 Q

EVENT DESCRIPTION ANO PROBABLE CONSEQUENCES QIO

~o Durin stead state o eration attem ts to stroke !J1 22 containment s ra

~O3 isolat ion valve fai 1 ed . The containment s ra loo was declared in-

~O operable and the redundant corn onent tested er rocedure. Since the

~O6 operability of the redundant component was verified the effect of the

~OB oocurrance on the health and saf et of the ub 1 ic was 1 imited .

~OS 80 7 8 9 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE 'OMPONENT CODE SUBCODE SUBCODE

~Os ~ED ~X V A D V 0 9 04 ~0 ~Z 7,' 9 10 Q11 ~E 11 QTE 12 Q12 SEGUENTIAL 13 OCCURRENCE 18 19 REPORT QTR 20 QER, REVISION CODE'YPE Q17 LFRIRO REPoRT EVENT YEAR

~oo 21 22

~

23

~00 24 REPORT NO.

9 26

~m 27

~03 28 29

~D 30 31 No.

~0 32 ACTION, FUTURE TAKEN 33 0 QIB ACTION

~C 34 Q>>

EFFECT ON PLANT L~J Q20 35 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS SHUTDOWN METHOD L~l 36 Q"

37 Q27

<<MN HOURS Q22 40 ATTACHMENT SUBMITTED 41 Q23 NPRDP

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FORM SUB.

42 Q2" PRIME COMP.

SUPPLIER LJ Q>>

43 44 COMPONENT MANUFACTURER 47 C26 D a from bei d ro erl ~ Procedures ar for all isolatio v v 4

8 80 9

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7 FACILITY ~3O METHOD OF 51 POWER OTHER STATUS DISCOVERY 'TATUS DISCOVERY DESCRIPTION Q32 7

2 8 9 E QTR ~09 10 9 QW 12 13 NA .

44 LIMNI QOT 45 R

80 ACTIVITY CONTENT RELEASED OF RE'LEASE AMOUNT OF ACTIVITY Q LOCATION OF RELEASE Q 7

6 8

~z 9

Q3 ~z(8 10 11 NA 45 80 PERSONNEL EXPOSURES NUMBFR TYPE DESCRIPTION ~39 7 ~oo o Q~QR 13 EA 80 7 8 9 11 12 PERSONNEL INJURIES NUMBER OESCRIPTIONQ41 7

2 8

~oo 9

0 Q49 11 12 RA 80 LOSS OF OR DAMAGE To FACILITY 9

TYPE

~zQ42 DESCRIPTION

'A Q43 80 NRC USE ONLY 68 69 80 o 0

NAMF QF PREPARER Michael J. Falise PHONE315 343 2110 X1208