05000331/LER-1981-011-03, /03L-0:on 810310,condensate Storage Tank a Low Level Switch LS 5218 Was Found Inoperable.Caused by Moisture on Probe Leads within Terminal Box.Moisture Removed.Switches Will Be Rewired

/03L-0:on 810310,condensate Storage Tank a Low Level Switch LS 5218 Was Found Inoperable.Caused by Moisture on Probe Leads within Terminal Box.Moisture Removed.Switches Will Be Rewired

ML112410923
Person / Time
Site:	Duane Arnold
Issue date:	04/06/1981
From:	Rager M IES Utilities, (Formerly Iowa Electric Light & Power Co)
To:	NRC/OI/RGN-III/FO
Shared Package
ML112410924	List: 05000331/LER-1981-011, Forwards LER 81-011/03L-0 05000331/LER-1981-011-03, /03L-0:on 810310,condensate Storage Tank a Low Level Switch LS 5218 Was Found Inoperable.Caused by Moisture on Probe Leads within Terminal Box.Moisture Removed.Switches Will Be Rewired
References
LER-81-011-03L, LER-81-11-3L, NUDOCS 8104140507
Download: ML112410923 (3)

LER-1981-011, /03L-0:on 810310,condensate Storage Tank a Low Level Switch LS 5218 Was Found Inoperable.Caused by Moisture on Probe Leads within Terminal Box.Moisture Removed.Switches Will Be Rewired

Event date:
Report date:
3311981011R03 - NRC Website

text

REGULARY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:8104140507 DOC.DATE: 81/04/06 NOARIZED: NO FACIL:50-331 Duane Arnold Energy Center, Iowa Electric Light & Pow AUTH.NAME!

AUTHOR AFFILIATION RAGER#M.S.

Iowa Electric Light&

Power Co.

RECIP.NAMEi RECIPIENT AFFILIATION..

Region 3, Chicago, Office of the Director

SUBJECT:

DOCKET #

05000331 LER 81-011/03LP0:on 810310,condensate storage tank A low level switch LS 5218 was found inoperableCaused by moisture on probelleads within terminal boxMoisture removed.Switches will berewired.

DISTRIBUTION CODE: A0028 TITLE!: Incident Reports COPIES RECEIVED:LTR L ENCL L.

SIZE:

NOTES:

RECIPIENT ID CODE/NAMEi ACTION:

IPPOLITOIT 04' INTERNAL: A/D COMP&STRU06 A/D MATL:&

QU08 A/D PLANT SYSI.

A/D SFTY ASSEI2.

AEOD ASLBP/J*HARD CHEM ENG BR 16 CORE'PERF BR 18 DIRHUM FAC 321 EFF TR SYS BR23 GEOSCIENCES 26 I&E 05 LIC GUID BR 30, MECH ENG BR 33, NRC PDR 02 OR ASSESS BR 35 RAD ASSESS 8R39 c

01.

S EVA42 SYS INTERAC S45 EXTERNAL: ACRS NSIC 46 05 COPIES' LTTR ENCL 3

3 RECIPIENT' ID CODE/NAME COPIES LTTRENCL A/D ENV TECH 07 A/D OPREACTO09 A/D RAD PROT 11 ACC EVAL BR 14 AEOD/DMU AUX SYS BR 15 CONT SYS BR 17 DIRENGINEERI20 DIRSYS INTEG22 EQUIP QUAL BR25 I&C SYS BR 29 JORDAN,E,/IE MATL ENG BR 32 MPA OP.EX EVAL BR34 POWER SYS BR 36 REACT SYS BR 40 REL & RISK A 41 STRUCT ENG BR44 16 1

16 1

LPDR 03 1

1 68 TOTAL NUMBER OF COPIES REQUIRED: LTTR I

? -

1981 68 ENCLI

Iowa Electric Light and Pbwer Company April 6, 1981 DAEC-81-205 Mr. James G. Keppler, Director Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission -

Region III 799 Roosevelt Road Glen Ellyn, IL 60137

Subject:

Licensee Event Report No.81-011 (30 day)

File:

A-118a

Dear Mr. Keppler:

In accordance with Appendix A to Operating License DPR-49, Technical Specifications and Bases for Duane Arnold Energy Center and Regulatory Guide 10.1, please find attached a copy of the subject Licensee Event Report.

(Total of 3 copies transmitted).

Very truly yours, Daniel L. Mineck Chief Engineer Duane Arnold Energy Center DLM/MSR/pl Docket 50-331 attachment cc:

Director, Office of Inspection and Enforcement (30)

U. S. Nuclear Regulatory Commission Washington, D. C.

20555 Director, Management Information and Program Control (3)

U. S. Nuclear Regulatory Commission Washington, D. C.

20555 U. S. Nuclear Regulatory Commission c/o Document Management Branch Washington, D. C.

20555 NRC Resident Inspector -

DAEC Duane Arnold Enermv Center

• P0. Box 351

• Cedar apids, loy 5406 319/851 -6APR 8

1981

NRC POS (7-")_

,go.

LICENSEE EVENT REPORT CONTROL BLOCK:

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6

I IA ID IA IC 11 k120 [-L-0 0 1 1 Q10 1-101 4 1 1 1 I.IJL4 I

9 LICENSES CODE 14 15 LICENSE NUM8ER 25 26 LICENSE TYPE JO 57 CT s SOE (0 15 10 10 1013131 1 8-013111018 1 10,141016181110 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 79 REPORT DATE 80 EVENT DESCRIPTION ANO PROBABLE CONSEQUENCES S,.-

CGNE 7

8 S8 7

8]

7

]8 SYSTEM

CAUSE

CAUSE COMP.'

VALVE CODE coos SUSC006 COMPONENT CO0S SUGCO06 SUSCODE IW I Fl(q) L-l] (

LJ (3) 1 11 NI sl TI RI ul31 LJ )

IJ 6

9 10 1t 12 13 18 19 32 SEQUENTIAL OCCURRENCE REPORT 0

LE/RO EVENTYEAR REPORTNO.

co0 TYPE REPORT; LJLJ L=

0 1 11 11 L;dL:L:-LU b:J NUMBER 18 11a.

Lj'.~i 3.i LL LUL Li r21 22 23 24 26 27 28 29 30 31 ACTION FUTURE EFFECT SHUTOOWN ATTACHMENT NPRO-A PRIME COMP.

TAKEN ACTION ON PLANT METHOO HOURS 22 SUSMITTED FORM sUS.

SUPPLISR UU LI@

L2@1O 10 lo 10 10 1

LN.J@

LU.JD UAJ @

I 33 34 35 38 37 4

41 42 43 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS REVISION NO.

L0 32 COMPONENT MANUFACTUREA BI 0 01 sl@

L4 47 IMoisture on the probe's leads within 11 1 qnal to be grounded, Moisture was re izIT evel switch was retested with sat re 13 jswitches will be rewired to run susp 1477I o a watertight pull box on top of CS 78 3 FACILITY STATUS POWER OTHER STATUS LE]

10 1921@

NA 7

8 9

1012 1

ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY 16 L.J @ LO I NA 7

19 10 44 PERSONNEL EXPOSURES NUMBER TYPE

DESCRIPTION

I 0 1 o0 01z 161 NA 7

8 9

It 12 13 PERSONNEL INJURIES NUMBER OESCRIPTION 41 1

OOj 0 0

NA 7

8 9

1t 12 LOSS OF OR DAMAGE TO FACILITY TYPE

DESCRIPTION

19 O@I NA 7

8 9 10 PUBLICITY ISSUED OESCRIPTION L S@I NA 7

8 9

10 NAME OF PREPARER Matthew S. Rager the terminal box caused the trip si moved from leds aind terminail box. L sults. During 1981 refuel, bothilevelI ension wires from electrode holder t T. Conduits to be sealed with RTV.

METHOD OF DISCOVERY DISCOVERY DESCRIPTION 32 jB lI(TISurveillance Testing 45 46 80 I

NA 4s LOCATION OF RELEASE so 80 80 so NRC USE ONLY 68 69 8o.;

0 PHONE:

.319-851-5611 M 366 U. S. NUCLEAR REGULATORY COMMISSION l uuring surveillance testing or tne-Condensate Storage IanlkCSI) 11-5 I

IA low level switch,.LS 5218 was found inoperable. This switch provides a.

Hlow level alarm forthe CSTs and shifts HPCI pump suction to torus on CS IT low level. Tech Spec 3.2-B requires this switch to be operable during ireactor power operation. LS 5219 was tested and found operating sat. LS I

15218 is a B&W Controller Corp level switch model E1F/50201. Repetitive p Iroblem. See LER 81-005,80-045. and 76-038, 9

80 80