05000316/LER-1980-016-03, /03L-0:on 800322,while Performing Routine Panel Insp,Operator Discovered Cast RHR Pump Suction Breaker IMO-310 Open.Cause Not Determined.Operators Have Been Alerted to Keep Close Watch on Panel Indicators

/03L-0:on 800322,while Performing Routine Panel Insp,Operator Discovered Cast RHR Pump Suction Breaker IMO-310 Open.Cause Not Determined.Operators Have Been Alerted to Keep Close Watch on Panel Indicators

ML17326A663
Person / Time
Site:	Cook
Issue date:	04/18/1980
From:	Murphy C INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17326A662	List: 05000316/LER-1980-016-03, /03L-0:on 800322,while Performing Routine Panel Insp,Operator Discovered Cast RHR Pump Suction Breaker IMO-310 Open.Cause Not Determined.Operators Have Been Alerted to Keep Close Watch on Panel Indicators 05000316/LER-1980-017-03, /03L-0:on 800321,during Normal Operation,Tdafp Trip & Throttle Valve Tripped & Could Not Be Reset.Caused by Defective Reset Solenoid.Coil Replacement Not Effective.Trip Linkage Reset Manually.New Coil & Linkage Adjusted ML17326A661
References
LER-80-016-03L, LER-80-16-3L, NUDOCS 8004230355
Download: ML17326A663 (2)

LER-1980-016, /03L-0:on 800322,while Performing Routine Panel Insp,Operator Discovered Cast RHR Pump Suction Breaker IMO-310 Open.Cause Not Determined.Operators Have Been Alerted to Keep Close Watch on Panel Indicators

Event date:
Report date:
3161980016R03 - NRC Website

text

U. S. NUCLEAR REGULATORY COMMISSION NRC FORM 366 (7 77)

CENSEE EVENT REPORT CONTROL BLOCK:

Q1 (PLEASE PRINT OR TYPE ALLREQUIRED INFORMATION)

I 6

~RTN I 0002Q300000000000Q341111Q4~QR 7

8 9 'ICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CON'T soU E ~LQB Q7 0

3 2

2 8

0QSO 4

Z a

8'-'

7 8

60 61 DOCKET NUMBER 68 69 EVENT DATE I4 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES ~lO WHILE PERFORMING ROUTINE PANEL !INSPECTIONS THE CONTROL ROOM OPERATOR DISCOVERED

~D3 THE BREAKER FOR IMO-310

( EAST RHR PUMP SUCTION )

OPEN.

THIS IS CONTRARY TO T. S. 3. 5. 2

HOWEVER, THE VALVE WAS FOUND IN ITS NORMAL SAFETY SYSTEM POSITION (OPEN).

THE BREAKE WAS RECLOSED AND THE VALVE CYCLED TO INSURE PROPER OPERATION.

THE SAFETY SYSTEM'S t

o 6

ERFORMANCE WOULD NOT HAVE BEEN AFFECTED.

THE PUBLIC HEALTH AND SAFETY WAS NOT [pp~j AFFECTED.

~OS 7

8 9

80 7

8 SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE CODE

SUBCODE, COMPONENT CODE SUBCODE SUBCODE

~EB Ql X

Qlz

~Z Q13 Z

Z 7-Z Z

Z Q14

~Z Q15

~Z Qts 9

10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LERIRP EVENT YEAR REPORT NO.

CODE TYPE NO.

Q17 REPoRT

~90

~

'~01 8

~W

~<3

~L

~

~0 21 22 23 24 26 27 28 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDQ PRIME COMP.

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

SUPPLIER MANUFACTURER

~HQs~ZQER

~ZQER

~ZQzt 0

0 0 >

~>Qzz

~>Qz4

~ZQEE Z

9 9

9 Qzs 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 p

UPON INVESTIGATION NO REASON FOR THIS BREAKER BEING OPEN COULD BE IDENTIFIED.

OPERATORS HAVE BEEN ISSUED INSTRUCTIONS TO BE ESPECIALLY ALERT ON THEIR CONTROL PANEL CHECKS TO ASSURE ALL EQUIPMENT INDICATION IS CORRECT.

3 METHOD OF OTHER STATUS ~

DISCOVERY NA

~BQ31 44 45 46 45 NAME OF PREPARER C.

E.

MURPHY 4

7 8

9 FACILITY STATUS

% POWER DZa L~JS ~<<S 7

8 9

10 12 13 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITY 6

Z Q33 Z

Q34

'A 7

8 9

10 11 44 PERSONNEL EXPOSURES NUMBER TYPE

DESCRIPTION

7

~00 0

Q37 ~ZQ38 7

8 9

11 12 13 PERSONNEI. INJURIES NUMBER DESCRIPTION 41

~ls L000 0~0~

IQ43 7

8 9

11 12 LOSS OF OR DAMAGETO FACILITY~43 TYPE

DESCRIPTION

8 LLIQ43 7

8 9

10 PUBLICITY ISSUED DESCRIPTION 'l44~I L~JQ44 7

8 9

10 LOCATIONOF RELEASE NA NA NA SDogmoS SS NRC USF. ONLY 68 69 465-5901 DISCOVERY DESCRIPTION Q32 OPERATOR OBSERVATION 80 80 80 80 80 80 sp 44O 80 ~ Es 0L0

l