05000331/LER-1981-002-03, /03L-0:on 810106,temp Switch Tis 4477,zone 2, Tripped Outside Tech Spec.Caused by Instrument Drift.Switch Recalibr

/03L-0:on 810106,temp Switch Tis 4477,zone 2, Tripped Outside Tech Spec.Caused by Instrument Drift.Switch Recalibr

ML112410871
Person / Time
Site:	Duane Arnold
Issue date:	02/05/1981
From:	Rager M IES Utilities, (Formerly Iowa Electric Light & Power Co)
To:	NRC/OI/RGN-III/FO
Shared Package
ML112410872	List: 05000331/LER-1981-002, Forwards LER 81-002/03L-0 05000331/LER-1981-002-03, /03L-0:on 810106,temp Switch Tis 4477,zone 2, Tripped Outside Tech Spec.Caused by Instrument Drift.Switch Recalibr
References
LER-81-002-03L, LER-81-2-3L, NUDOCS 8102120066
Download: ML112410871 (3)

LER-1981-002, /03L-0:on 810106,temp Switch Tis 4477,zone 2, Tripped Outside Tech Spec.Caused by Instrument Drift.Switch Recalibr

Event date:
Report date:
3311981002R03 - NRC Website

text

REGULATO@INFORMATION DISTRIBUTION *TEM (RIDS)

ACCESSION N8R:8102120066 DOCDATE: 81/02/05 NOTARIZED; NO FACIL:t50-331 Duane Arnold Energy.Center, Iowa Electric Light & Pow AUTH,NAME AUTHOR AFFILIATION RAGERMS.

Iowa Electric Light & Power Co, RECIP.NAME, RECIPIENT AFFILIATION Region 3, Chicago, Office of the Director DOCKET #

05000331 SUBJECT: LER 81-002/03L"0:on 810106,temp switch TIS 4477,zone 2 tripped outside Tech SpecCaused by instrument drift,Switch recalibr.

DISTRIBUTION CODE: A002S TITLE: Incident Reports COPIES RECEIVED:LTR.2/ENCL./

SIZE:.,l.

NOTES:

RECIPIENT ID CODE/NAMEi ACTION:

IPPOLITOT, 04 INTERNAL: A/ COMP&$TRU06 A/D MATL & QU08 A/D PLANT SYS10.

A/D SFTY ASSE12 AEOD AUX SYS BR 15 CONT SYS BR 17 DIRDIV OF LIC DIRHUM FAC S21 EFF TR SYS BR23 GEOSCIENCES 26 1&E, 05 LIC GUID BR 30 MECH ENG BR 33 NRC POR, 02 OR ASSESS BR 35 b~n. 6-SS BR39 SSF IEL RA 01, SFTY PROG-EVA42 SYS INTERAC B45c EXTERNAL:

ACRS NSIC 46 05 COPIES LTTR ENCL 3

3 RECIPIENT ID CODE/NAME COPIES LTTR ENCL A/D ENV TECH 07 A/D OP REACT009 A/D RAD PROT 11 ACC EVAL BR 14 ASLBP/J.HARD CHEM ENG BR 16 CORE PERF BR 18 DIRENGINEERI20 DIRSYS INTEG22 EQUIP QUAL BR25 I&C SYS BR 29 JORDANE./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

TERA:DOUG MAY 1

1 1

"~

'~

TOTAL NUMBER OF COPIES REQUIRED: LTTR 68 ENCL ' 68

b.J C-,

Iowa Electric Light and Power Company February 5, 1981 DAEC-81-80 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.81-002 (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 Arno Energy Center Docket 50-331 attachment DLM/MSR/pl cc:

Director, Office f 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 DunIne Arnoid Energy Center

• P0. Bov 351

• Cedar Rapids, Iowa 52406

• 319/851-5611

NRC PQL11 (7-771 7

83 CON'T M 3"I NUCLEAR REGULATORY COMMSSIJON LICENSEE EVENT REPORT CONTROL BLOCK; (PLE.ASE PAINT OR TY~i ALL REQUIRED INFORMATION) 11IA 1o JA IC 11 IGDt olo 1

I 0

01_

9 LICENSEE COOE 14 Is UCENSE NUMSEIR 25 2 LICANSE TYE.1 7 CAT sa SORE OLLG)l0 15 10 10 161 313 o1 1~)0io6 LL& OG lI(o I ?I ni sl s 1 11 80 61 OOCXJET NWM41A R

6 9

EVEINT DATE 74 75 REPORT OAT-5 EVENT OESCRIPTION ANO PROBABLE CONSEOUENCESS IDuring surveillance testinQ turbine building high tPmppratimr witrh TTIS 4477, Zone 2, tripped at greater than 204 degrees F. Technical Svecifica I tion Table 3.2-A reciuiresthe setrpoint be less th an or egual to 200 c1pgr I ee F The instriiment toler~nrp iq +/- 4 rdpnrppq F RPHIInrl~nt qwifrhpq i aSI n logic wprp-tpctpr1 and fniind I-n him in tolo-.anco Thic Sl"'itrb ic pargt nf a7 the logic which isolates the main steam lines on turbine buildingi high t aaI emp. Repetitive occurrence for this type switch (see RO 80-025,78-028),

7 a89 SYSTEM

CAUSE

CAUSE Camp.

VALVE CODE coos SLJscace COMPONEN4T CODE SUSCOOS SUBC006 7 89 10 11 12

'2 is

'9 20 SEQUENTIAL OCCUR RENCE REPORT REVISiON O PIR rV111T YEAR REPORT NO.

coos Type AlO.

NUMER 18 1 1i

,.0 10 2l L;:i L0Q..3L.-

LUi L1 22 22 24 26 27 28 29 30 21 32 ACTION FUTURE EFFECT SH.UTDOWN

,\\ATTACH ENT NdPR0.A ORIMe COMWP.

COM~pONENT rAKEN ACTION ON PL.ANT MAETHOD H.OURS SU&ITE PORM t.8.

SUPPLIER MANUFACIUR CAUSE OESCRIPTION ANO CORRECTIVE AC-iONS@

10IInstrument drift. TIS 4477 wa-, rpcalihratprI and tpested -,t prior to hpin 11 g rptirnprI to Rprviep, TT-S 4477 ji, a-Rnqmniint Rlriec 1nnfQI1 t~mppratiiv'p fF1 indicating switch, No further corretvacinsplndathg m-0 rACI LI TV STATUS

% POWER OTHER STATUS0 1 ~

01 91@

81..@1 NA 7

8 9 10, 12 1I 4

ACTIVITY CONTENT AELEASSO OF AELEASE AMOUNT OF ACTIVITY I E i @L (sI NA 7

8 9 10 1 1

'EIRSONNEL IXPCSUAES OECIlN~

'4UMSER

?ypt E5 RITC 7

~

~

89ii 12 PERSONNEL IN.IURIES N4UMBER

.OESCR1 PTION m

W1 1 0 40 NA 7

839 11 12 LOSS Of OR OAMAGE TO FACILITY TYPE CESCRIPTION I9 LZe NA 7

8 9

IQ PUBLI'CITY ISSUEO OESCAIPTIONa 2 LjIJ@I NA 7

a 9

10 NAME OF PREPAREA Matthew S, Racier METHOD OF OISCOVIERY CISCOVERY OESCRIPT1ON@

IA JGi 0erator Observation 45

'48 LOCATION Of ReLLASE

)

I NA a,

J 0

I 0

80 go NRC USE ONLY 66 59 So.~

PHONE.

319-851-5611