05000315/LER-1979-043-03, /03L-0:on 790201,axial Power Distribution Monitoring Sys Detector Alarm Setpoint Was Set Nonconservatively.Setpoint Reset.Personnel Received Addl Training

/03L-0:on 790201,axial Power Distribution Monitoring Sys Detector Alarm Setpoint Was Set Nonconservatively.Setpoint Reset.Personnel Received Addl Training

ML17318A261
Person / Time
Site:	Cook
Issue date:	09/13/1979
From:	Rischling J INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17318A259	List: 05000315/LER-1979-043-03, /03L-0:on 790201,axial Power Distribution Monitoring Sys Detector Alarm Setpoint Was Set Nonconservatively.Setpoint Reset.Personnel Received Addl Training ML17318A258
References
LER-79-043-03L, LER-79-43-3L, NUDOCS 7909190472
Download: ML17318A261 (9)

LER-1979-043, /03L-0:on 790201,axial Power Distribution Monitoring Sys Detector Alarm Setpoint Was Set Nonconservatively.Setpoint Reset.Personnel Received Addl Training

Event date:
Report date:
3151979043R03 - NRC Website

text

REGULATORWNFORMATION DISTRIBUTION TEM (RIDS) l ACGESS I ON NBR i 7909190472 DOC ~ DATE; 79/09/13 NOTARIZEDt NO FACIL:50 315 Donald C ~

Cook Nuclear Power Pl anti Uni t 1i Indiana 8

AUTH BYNAME AUTHOR Al FILIATION RISCHLINGiJ,L, Indiana 8 Michigan Power Co, RECIP,NAME RECIPIENT AFFILIATION Region 3i Chicagoi Office of the Director

SUBJECT:

LER 79 003/03L 0:on 790201iaxial power distribution mointoring sys detector alarm setpoint was set nonconservatively<Setpoint reset, Personnel received addi training<

DISTRIBUTION CODE:

A002S COPIES RECEIVED!LTR

'NCl 'IZE:

TITLE: Incident Repor ts DOCKET 05000315 ES PQ ~+ ~eeeoee~eeeeee~ee+e w~~w~ee~~~~sweeereee+~+~e

~+<we eeeweeeree~weew epee~e eey~~~tp~~e year ee~w~o e RECIPIENT ID CODEiNAME ACTION:

05 BC INTERNAL: 01 REG F ILE 09 ISE 14 TA/EDO 16 EEB 18 PLANT SYS BR 20 AD PLANT SYS 23 ENGR BR 25 PHR SYS BR 27 OPERA LIC BR 29 AUX SYS BR HANAUERiSi TMI~H STREFT EXTERNAL: 03 LPDR 29 ACRS COPIES CTTR ENCI 1

1 2

2 1

1 1

1 1

1 1

1 1

1 1

1 1

1 1

1 1

1 1

16 RECIPIENT ID CODE/NAME 0?

NRC PDR 11 MPA 15 NOVAK/KNIEL 17 AD FOR ENG~

19 I8C SYS BR" 22 REAC SAFT UR 24 KREGER 26 AD/SITE ANAL 28 ACOENT ANLYS E-JORDAN/IE STS GROUP LEADR I

00 NSIC COPIES LTTR ENCL 1

1 3

1 i

i i

1 i

1 1

1 1

ii 1

1 1

TOTAL NUMBER OF COPIES REQUIRED o LTTR 08 ENCL 48

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DONALD C. COOK NUCLEAR PLANT P.O. Box 458, Bridgman, Michigan 49106 September 13, 1979 Mr. J.G. Keppler, Regional Director Office of Inspection and Enforcement United States Nuclear Regulatory Comm'ion Region III 799 Roosevelt Road Glen Ellyn, IL 60137 Operating License DPR-58 Docket No. 50-315

Dear Mr. Keppler:

Pursuant to the reciuirements of the Appendix A Technical Specifications the following report/s are submitted:

RO 79-042/03L-0 RO 79-043/03L-O.

Sincerely, F~<D.V. Shaller Plant Manager

/bab cc:

J.ED Dolan R.W. Jurgensen R.F. Kroeger R. Kilburn R.J. Vollen BPI R.E.

Masse RO:III R.C. Callen MPSC P.W. Steketee, Esq.

R. Walsh, Esq.

G. Charnoff, Esq.

J.M. Hennigan G. Olson PNSRC J.F. Stietzel E.L. Townley Dir., IE (30 copies)

Dir., MIPC (3 copies)

U. S. NUCLEAR REGULATORY COMMISSION NRC FORM 366 f7g771 [OD1]

7 8

CON'T

~01 7

8

'lCENSEE EVENT REPORT

> CONTROL BLOCK:

QI

{PLEASE PRINT OR TYPE ALI.REQUIRED INFORMATION) 1 6

M I D

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1 Qo0 0

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1 1 IQs~Qs 9

LICENSEE CODE 14, 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 REPoRT ~LQ P

5 P

0 P

3 1

5 Q 0

8 1

4 7

9 Qs 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 ON AUGUST 14, WHX'LE XSOLATING A PRESSURIZER LEVEL TRANSMITTER Q

80 3 j (NLP-1 5 2 )

THE ASSOC lATED P RES SURI ZER PRESSURE TRANSMITTER (NPP-1 5 2 )

4 WAS ISOLATED ~

WHEN NPP 1 52 WAS VALVED BACK IN z INDICATION DIFFERED FROM THE OTHER PRESSURIZER PRESSURE CHANNELS.

NPP-152 OUTPUT WAS ADJUSTED FOR PROPER OUTPUT ~

ON AUGUST 2 2 i IT WAS DISCOVERED THAT THERE WAS A 30 PSI DIFFERENCE BETWEEN THE PRESSURIZER PRESSURE o

s INDICATION AND A HEISE GAUGE

(

SEE SUPPLEMENT) 7 8

9 80

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4 21 22 23 24 26 27 28 29 30, 31 32 ACTION FUTURE

EFFECT, SHUTDOWN ATTACHMENT NPRDR PRIME COMP.

COMPONENT TAKEN ACTION ON PLANT METHOD HOURS +22 SUBMITTED FORM SUB.

SUPPLIER MANUFACTURER PJQ16 ~Q19

~Q20

~Q2

~ Q23 gJQ24 ~ Q26 Q26 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 o

THESE PRESSURIZER PRESSURE TRANSMITTERS WERE INSTALLED DURING THE LAST REFUELING OUTAGE BECAUSE THEY ARE ENVIRONMENTALLYQUALIFIED FOR USE UNDER POST ACCIDENT CONDITIONS."

AS OF THIS TIME, XT IS THE INVESTXGATION IS STILL OPEN (SEE SUPPLEMENT) 80 7

8 9

FACILITY STATUS Ts POWER OTHER STATUS Q 1

0 0

NA METHOD OF DISCOVERY DISCOVERY DESCRIPTION Q2

~CQ31 TECHNICIAN OBSERVATION 44 45 46

~s

~Q>> ~Q>>

7 8

9 10 12 13 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITYQ 6

~Z Q33

~ZQ34 NA 7

s 8

9 10 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39

~oo 0

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11 12 13 PERSONNEL INJURIES NU BER DESCRIPTION~41 s

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11 12 LOSS OF OR DAMAGETO FACILITYQ43 TYPE

DESCRIPTION

Z Q42 NA 8

9 10 P U8 L IC ITY 7

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10 80 LOCATIONOF RELEASE Q 45 80 44 80 80 80 NRC USC ONLY 80 ss 00 s

68 69616-465-5901 J. L. Rischling PHONE:

NAME OF PREPARER

~3 NOT KNOWN WHAT CAUSEDALL OF THESE TRANSMITTERSTO DRIFT ~

HOWEVERS

SUPPLEMENT TO LER 5 79-042/03L-0 SUPPLEMENT TO EVENT DESCRIPTION INSTALLED FOR TEST PURPOSES.

ALL PRESSURXZER PRESSURE TRANSMITTERS WERE RE-CALXBRATED ON AUGUST 22, AND FOUND TO BE READING FROM 2.5 TO 4

PERCENT LOW.

THESE EVENTS WERE NON-CONSERVATIVE IN RESPECT TO T.S.

TABLE 2.3-1 XTEM 10 AND, TABLE 3.3-1 ITEM 10.

SUPPLEMENT TO CAUSE DESCRIPTION AND THE PRESSURIZER PRESSURE INDXCATION XS 'BEING PERXODICALLY CHECKED TO INSURE THESE TRANSMITTERS (BARTON-MODEL NO.

763)

HAVE NOT DRIFTED AGAIN.

IF A DEFXNITE CAUSE IS DETERMINED A SUPPLEMENTAL LER WILL BE SUBMITTED.

UNIT-2 IS NOT AFFECTED BY. THIS EVENT AS THE BARTON TRANSMXTTERS ARE NOT YET XNSTALLED.

U. S. NUCLEAR REGULATORY COMMISSION NRC FOQM 366 [7-77)

ICfNSfffVfNTRfPQRT TE'

+CONTROL BLOCK:

Q1 tPLEASE PRINT OR TYPE ALI.REQUIRED INFORMATION)

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LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CON'T

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5 0

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3 1

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1 7

9 QE 0

9 1

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8 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10

~02 ON FEBRUARY 1 i XT WAS DISCOVERED THAT AFTER SWITCHING APDMS DETECTORS ON JANUARY 22 g THE APDMS DETECTOR F ALARM SETPOINT WAS SET AT THE T ~ S ~

VALUE~

UPON DISCOVERY 'HE,'ALWL% SETPOINT VALUE WAS RESET TO THE 6

PROPER VALUE~

THIS IS NON-CONSERVATIVE IN RESPECT TO A P REVIOUS 6

COMMXTMENT STATED XN RO 3 1 6/7 8 6 8 AND RO 3 15/7 8 5 8 THIS EVENT l

IS NON CONSERVATIVE IN RESPECT TO T ~ S 3

3 3

6 l3 ~

~OB 7

8 9

80

~09 7

8 SWITCHED AND THE T.S.

VALUE WAS USED FOR THE POWER LEVEL F ALARM SYSTEM

CAUSE

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VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

~IB Qll A

QTE

~X QTE I

N S

T R

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10 11 12 13 18 19 20

'I SEQUENTIAL OCCURRENCE REPORT REVISION LERlRO EVENT YEAR REPORT NO.

CODE TYPE Ql REPoRT ~

+

~04 3

Q~

~03

+L QD 21 22 23 24 26 27 28 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN ~ ATIACHMENT NPRDQ PRIME COMP.

COMPONENT'~QTE

~ Q19 PJ QEO ~ QET

~ Q22 PJQ24 ~ QEE Q29 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 27

~1 0

THIS CONDITION EXISTED FROM JANUARY 22, WHEN AN APDMS DETECTOR WAS SETPOINT.

THE TRACES DURING THIS OCCURRENCE HAVE BEEN REVIEWED AND THERE WAS SUFFICIENT. MARGIN SO THAT THERE WOULD HAVE BEEN NO.F 7

8 9

FACILITY STATUS

% POWER 1

0 0

OTHER STATUS Q30 NA METHOD OF DISCOVERY DISCOVERY DESCRIPTION Q32

~B Q31 DATA REVIEW 44 45 46 9

E Q29 ~Q29 8

9 10 12 13 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT@ACTIVITY Q36 EKI L'JQ33 '3 7

8 9

11 PERSONNEL EXPOSURES 7

8 9

11 12 13 PERSONNEL INJURIES

~OII Q49 NA LOCATION OF RELEASE Q NA 45 44 7

8 9

9 11 12 LOSS OF OR DAMAGETO FACILITY~43 T'gE

DESCRIPTION

VXOLATXONS.

TO PREVENT THXS FROM RECURRING SEE SUPPLEMENT 80 80 80 80 80 7

8 era 7

8 9

10 PUBLICITY ISSUED DESCRIPTION i

~Q44 9

10 NAME OF PREPARER J. L. Rischling NRC USE ONLY 68 69 616-465-5901 PHONE:

80 44O 9

80 g 0

0.

99

I

SUPPLEMENT TO LER 8 79-043 03L-0 SUPPLEMENT TO CAUSE DESCRIPTION THE NUCLEAR SECTION PERSONNEL RECEIVED ADDITIONALTRAINING, AND THE ALARM SETPOINT VALUES ARE NOW POSTED AT THE APDMS.

THIS EVENT WAS DETERMINED TO BE REPORTABLE ON AUGUST 14, DUE TO A SIMILAR EVENT OCCURRING ON UNIT-2 IN JULY (RO-316/79- 029.

)

0

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