05000316/LER-2077-024, Electrical Failure of Valve QMO-201, Charging Header Isolation

Electrical Failure of Valve QMO-201, Charging Header Isolation

ML18219C240
Person / Time
Site:	Cook
Issue date:	07/19/1977
From:	Shaller D Indiana Michigan Power Co, (Formerly Indiana & Michigan Power Co)
To:	James Keppler NRC/IE, NRC/RGN-III
References
LER 1977-024-00
Download: ML18219C240 (5)

LER-2077-024, Electrical Failure of Valve QMO-201, Charging Header Isolation

Event date:
Report date:
3162077024R00 - NRC Website

text

NRC FORM 195 (2-76 I U.S. NUCLEAR REGULATORY COM

~ION DOCKE~UMBER~ )

wD-9 FILE NUMBER NRC DISTRIBUTION FoR PART 50 DOCKET MATERIAL Mr. J.G.

Keppler FROM:

Indiana G Michigan Power Company Bridgman, Michigan D.V. Shaller DATE OF DOCUMENT

/19/77 DATE RECEIVED 8/1/77 Q LETTER Q OR IG INAL QCPP Y

DESCRIPTION

0 NOTOR IZE 0 Q UN C LASS IF I E D PROP INPUT FORM ENCLOSURE NUMBER OF COPIES RECEIVED Si'd Licensee Event Report PRO 50-315/7?-24 on 6/24/77 concerning~:valve QM0-201, Oharging Header Isolation, which would not close electrically during testing.

PLANT NAME:

Donald C. Cook Nuclear Plant VT 8/2/77 (1-P)

DO ROT RED~

ZCKZOWLED<<D (1-P)

NOTE: IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J.

COLLINS Rem. 4 FOR ACTION/INFORMATION a

5 INTERNAL0 ISTR I BUTION EXTERNAL DISTR IBUTION CONTROL NUMBER ACRS 16 SENT AS AT

/

1

'.772140219 NRC FORM 195 (2 78)

D NA & MICHIGANPOf/VER COMP NY DONALD C. COOK NUCLEAR PLANT P.O. Box 458, Bridgman, Michigan 49106 July 19, 1977 Mr. J.G.

Keppler, Regional Director Office of Inspection and Enforcement United States Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen El lyn, IL 60137

Dear Mr. Keppler:

, rg AUG'ging yQ "satec~~~~

gr Ataff~~~

I lr Og Operating License DPR-58 Docket No. 50-315 Pursuant to the requirements of Appendix A Technical Specifications and the United States Nuclear Regulatory Commission Regulatory Guide

1. 16, Revision 4, Section 2.b, the following report 'is'ubmitted:

RO 50-315/77-24.

Sincerely, D.V. Shaller Plant Manager

/bab cc:

J.E.

Dolan R.W. Jurgensen G.E. Lien R. Kilburn R.J.

Vollen BPI ROC. Callen MPSC K.R. Baker RO:III P.W. Steketee, Esq.

R. Walsh, Esq.

G. Charnoff, Esq.

G. Olson J.M. Hennigan PNSRC J.F. Stietzel Dir., (30 copies)

Dir., (3 copies) 7721402l9 JUL 21 1977

~~~

h;i I'

I" t

Form No. 4484 CONTROL BLOCK:

Q ICENSEE EVENT REPORT

~AC/(f8'20jij,)'~t-Qttf~t (PLEASE PRINT ALcI. REOUIREOAIIICdRIVIATION)

LCENSEE NAME LICENSE NUMBER LICENSE TYPE EVENT rYPF.

Qojs Ii I

OC C

I OO O

O O

O O

7 89 14 15 0

0 30 31 32 25 28 4

1 1

1 1

0 3

REPORT REI ORT CATEGORY TYPE SOURCE

~a~caus~

~L L

OS 7

8 57 58 59 80 81

~ ~ 4I OOCKE('PLUMBER 4 I 0 0 3

1 4

~

It 5'

88 69

" FVENI OATE RI I'ORT OATr.

6 24 7

7 0

7 I 97 7

74 75 EVENT OESCRIPTION Qo 2 Durin surveillance testin

, valve h10-201, Char in Header Isolation, would not close 7

8 9 80 [0D3] electricall A small amount of boric acid cr stal s from a sli ht ackin leak were 7

89 80 [oai] Ifcund cn the stem causin bindin Cleaned stem b

c clin valve b

hand.

Subse uent 7

8 9 80 [oOs]

tests of the valve were satisfactor The valve packing was properly adjusted which 7

8 9 Qog shoul d revent recurrence.

80 R 5-3 80 COMPONENT MANUFACTURER L

2 0

0 48 7

8 9 FAME SYSTEM

CAUSE

COMPONENT COBE COBE COMPONENT CODE SUPPLER VOLATION

~PC

~E V

A t V

0 P

N N

7 8 8 10 11 12 17 43 44 47 CAUSE OESCRIPTION toOI A ver sli ht ackin leak resulted in a boric acid cr stal buildu on the stem.

Thus 7

8 9 [iso]

7 89 FACIEITY STATUS

'L POWER I?~~ l LEJ ~

NA 7

8 9

10 12 13 FORM OF ACTIVITY COATENT RELEASEO OF RELEASE AMOUNT OF ACTIVITY f11/

~Z Z

NA 7

8 9

10 11 PERSONNEL EXPOSURES NUMBER TYPE OESCRIPTION IttsI ~00 0

z I"lA 7

89 11,12 13 PERSONNEL INJURIES NUMBER

DESCRIPTION

~)4 ~00 0

NA 7

89 11 12 OTHER, STATUS OFFSITE CONSEQUENCES

~15 NA 7

8 9 LOSS OR OAMAGE TO FACILITY TYPE OESCRIPTION [116]

7 89 10 PUBLICITY NA

~

7 89 AOOITIONAL FACTORS

~18 NA 7

89 METHOO OF OISCOVERY 44 45 48 44 45 NA 7

8 9

~09 excessive tor ue was re uired to operate the valve remotely.

DISCOVERY OESCRIPTION LOCATION OF RELEASE 80 80 80 80 80 BO 80 80 80 80 80 7

89 NAME David G. Hizner 616-465-5901 80 CPO Ibt 4 667

REc<IVED 00cUHE>lp PHOCEss~yg g'~;-;

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