ML20084Q051

L-0:on 760427,while Performing MSIV Surveillance, Duel Indication Received for Valves AO 1-203-1B & AO 1-203-1D.Caused by Switches Being Out of Alignment.Minor Air Leak repaired.W/760430 Forwarding Ltr

ML20084Q051
Person / Time
Site:	Quad Cities
Issue date:	04/30/1976
From:	Henson L, Kalivianakis N COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084Q031	List: ML20084Q028 ML20084Q051
References
LER-76-017-03L-02, LER-76-17-3L-2, NJK-76-166, NUDOCS 8306130105
Download: ML20084Q051 (2)

Text

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Com oalth Edison Cn N s.

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O -Cuac h..s Nuclear Power Post Office Box 216 Corcova. Illinois 61242 Telephone 309/654 2241 LN NJK-76-166 , [g' i c-April 30, 1976 - .

'l;> F,tt s .

"] s' vf J. Keppler, Regional Director Office of Inspection and Enforcement Region ill U. S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois 60137

Reference:

Quad-Cities Nuclear Power Station Docket No. 50-254, DPR-29, Unit 1 Appendix A, Sections 3.7.0.1, 6.6.B.2.b Enclosed please find Reportable Occurrence Report No. 50-254/76-17 for Quad-Cities Nuclear Power Station.

This report is submitted to you in accordance with the requirements of Technical Specification 6.6.B.2.

Very truly yours, COMMONWEALTH EDISON COMPANY QUAD-CITIES NUCLEAR POWER STATION ff gfr W N. J. Kalivianakis M,

Station Superintendent NJVJik cc: G. A. Abrell 8306130105 760527 gDRADOCK 05000254 PDR

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• I arrsmaramoron jf

i CONTROL BLOCK:l l gl ENSEE EVENT REPORT l l l l (PLEASE PRINT ALL REGUutED INFORM 1 TION) 1 6 iAME UCENSE NUMBER E PE oi liILl0lAlDl1l14 l0 7 89 l0 l-l 0 l 0 l 0l 0l 0l-l0 l0 l l4l1l1l1l1l l0 l3 l 15 25 26 30 31 32 CATEGORY TYP OOCXET NUMBER . EVENT DATE REPORT OATE O 1 CONT l l l l 0l 5l 0l-l 0 l 2 l 5 l 4 l l0 l4 l0 l2 l7 l 6 l l0 l4 l3 l0 l7 l 6 l 7 8 57 58 59 60 61 68 69 74 75 80 EVENT OESCRIPTION 95 lWhile performing monthly MSIV surveillance, dual indication was received for l 7 89 80 3E l valves A0 1-203-1B and A0 1-203-10. Upon l'nvestication, both valves were found l 7 89 80 BE l to be closed. A minor air leak was also discovered on the A0 1-203-1D valve l 7 89 80 32 IoOerator assembiv. (R0 50-254/76-17) l 7 89 80 DG l I 7 89 paug 80 CE Cr. e COMPONENT CODE SUPPLER W ACTURER VOLATON

@ l Cl Dl W 7 89 10 11 l V l A I L l VI Ol Pl 12 17 W43 lNl01115l 44 47

[Yj 48 CAUSE DESCRipilON l (Proximate Cause: Equipment Malfunction) The open limit switches on A0 1-203-1B and l

[ 7 89 80 32 l A01-203-1D were found to be out of alignment. The minor air leak in the valve opera- l 7 89 80 DE l tor was corrected by the installation of a new seal "E" rina (manufactured by l 5T  % POWER OTHER STATUS OtSCOVERY OrSCOVERY OESCRIPTON 1

7 8 9

(,q.)

10 l0l0l0l12 l13 NA l l Bl l Surveillance Test l 44 45 46 80 RELEA O OF LEASE AMOUNT OF ACTMTV M y Jl NA l l NA LOCATCN OF RELEASE l

7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRPTON i

{

GE l ol 0101 7 89 11 Wl,13 12 NA 80

[

i PERSONNEL INJURIES NUMBER DESCRIPTON l E l0l0l0l 7 89 l NA J

11 12 OG OFFSITE CONSEQUENCES gg l NA l

7 89 80 LOSS OR OAMAGE TO FACIUTY TYPE DESCAFTON .

Q2 d 7 89 l

10 NA l

l 80 PUBLICITY QE ( NA l

7 89 80 AOOITIONAL FACTORS gg l (Cause Description continued) Hiller Fluid Division Pt. #052-PS007-2000) l 7 89 30 DE l l 7 89 80 NAME: PHONE:

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