05000366/LER-1983-017-03, /03L-0:on 830406,during HNP-2-3322,w/unit in Cold Shutdown,Hpci Pump Discharge Valve 2E41-F006 Failed to Open. Caused by Loose Wire on Terminal Block Inside Valve Operator.Wire Tightened.Valve Cycled

/03L-0:on 830406,during HNP-2-3322,w/unit in Cold Shutdown,Hpci Pump Discharge Valve 2E41-F006 Failed to Open. Caused by Loose Wire on Terminal Block Inside Valve Operator.Wire Tightened.Valve Cycled

ML20023C515
Person / Time
Site:	Hatch
Issue date:	05/05/1983
From:	Tipps S GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20023C508	List: 05000366/LER-1983-017, Forwards LER 83-017/03L-0 05000366/LER-1983-017-03, /03L-0:on 830406,during HNP-2-3322,w/unit in Cold Shutdown,Hpci Pump Discharge Valve 2E41-F006 Failed to Open. Caused by Loose Wire on Terminal Block Inside Valve Operator.Wire Tightened.Valve Cycled
References
LER-83-017-03L-01, LER-83-17-3L-1, NUDOCS 8305170394
Download: ML20023C515 (3)

LER-1983-017, /03L-0:on 830406,during HNP-2-3322,w/unit in Cold Shutdown,Hpci Pump Discharge Valve 2E41-F006 Failed to Open. Caused by Loose Wire on Terminal Block Inside Valve Operator.Wire Tightened.Valve Cycled

Event date:
Report date:
3661983017R03 - NRC Website

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

LICEN$EE EVENT REPORT

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8 60 61 DOCKET NUM3ER 68 69 EVENT CATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h lo l2l l During performance of "HPCI AUTOMATIC ACTUATION" procedure (HNP-2-3322),

I lo l3l l the HPCI pump discharge valve (2E41-F006) failed to open as required by l

g g 9 4, l Tech. Specs. section 4.5.1.c.1. The plant was in cold shutdown during a l

g i,, i l refueling outage at the time of this event; HPCI is not required to be l

0 s l Perable during shutdown. The health and safety of the public were not l

l0 l7l l not affected by this non-repetitive event.

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36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h

,, ;o;l The cause of the event was attributed to a loose wire on the motor ter-l

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that prevented the 2E41-F006 valve from operating is unknown. The loose l

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,,,3, g wire was tightened and 2E41-F006 valve was cycled. The 2E41-F006 valve l

will be functionally tested prior to startup.

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NARRATIVE

REPORT FOR LER 50-366/1983-017 LICENSEE

GEORGIA POWER COMPANY FACILITY NAME

EDWIN I.

HATCH DOCKET NUMBER

50-366 Tech. Specs. section(s) which requires report:

This 3n-day-LER is required by Tech. Specs. section 6.9.1.9.b~.

due to the event's showing that the unit was not meeting the requirements of Tech.

Specs. section 4.5.1.c.1.

Plant conditions at the time of the event (s):

On April 6, 1983, the plant was in cold shutdown for a refueling outage.

Detailed description of the-event (s):

B During performance of "HPCI AUTOMATIC ACTUATION" procedure (HNP-2-3322),

the HPCI pump discharge valve (2E41-FOO6) failed to open.

Consequences of the event (s):

The plant was in cold shutdown at the time of the event.

HPCI is not required to be operable in cold shutdown.

There were no consequences of this event.

The health and safety of the public were not affected by this event.

Status of redundant or backup subsystems and/or systems:

'No redundant or backup systems are required in cold shutdown.

Justification for continued operation:

Unit was in cold shutdown during refueling outage and HPCI was not required to be operable.

If repetitive, number of previous LER:

This is a non-repetitive event.

Impact to other systems and/or Unit:

This' problem does not affect the other plant systems, nor does it affect Unit 1.

Cause(s) of the event (s):

The cause of the event was attributed to a loose wire located on the motor terminal block inside of the value operator.

The cause of the loose id re that prevented the 2E41-FOO6 value from operating is unknown.

'D I

Narrative Report for LER 50-366/1983-017 Page Two

Immediate Corrective Action

The loose wire was tightened and 2E41-F006 valve was cycled.

Supplemental Corrective Action:

The 2E41-F006 will be functionally tested prior to startup.

Scheduled (future) corrective action:

No scheduled future corrective action is required.

Action to prevent recurrence (if different from corrective-actions):_

No further action is required to prevent recurrence.

1 1