05000368/LER-1980-076-03, /03L-0:on 801103,emergency Feedwater Pump 2P7A Found Inoperable Due to Broken Terminal Connection Screw. on 800723,pump Declared Inoperable Due to Loss of Control Power.Caused by Excessive Use & Incorrect Recorder Hookup

/03L-0:on 801103,emergency Feedwater Pump 2P7A Found Inoperable Due to Broken Terminal Connection Screw. on 800723,pump Declared Inoperable Due to Loss of Control Power.Caused by Excessive Use & Incorrect Recorder Hookup

ML20002B123
Person / Time
Site:	Arkansas Nuclear
Issue date:	12/03/1980
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20002B117	List: 05000368/LER-1980-076, Forwards LER 80-076/03L-0 05000368/LER-1980-076-03, /03L-0:on 801103,emergency Feedwater Pump 2P7A Found Inoperable Due to Broken Terminal Connection Screw. on 800723,pump Declared Inoperable Due to Loss of Control Power.Caused by Excessive Use & Incorrect Recorder Hookup
References
LER-80-076-03L, LER-80-76-3L, NUDOCS 8012090463
Download: ML20002B123 (1)

LER-1980-076, /03L-0:on 801103,emergency Feedwater Pump 2P7A Found Inoperable Due to Broken Terminal Connection Screw. on 800723,pump Declared Inoperable Due to Loss of Control Power.Caused by Excessive Use & Incorrect Recorder Hookup

Event date:
Report date:
3681980076R03 - NRC Website

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NRC FORM 366 U. 5. NUCLE AR RECUtATORY COMMISS,0N l

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HF.,OMI DATE 80 EVENT DESCRIPTION AND PROSASLE CONSEOUENCES h T*

i o 12 : During the performance of en approved work plan for EFW pump, 2P7A, i

l loperability testing (reference LER 50-368/80-050 Rev. 3) the pump was I

o a l rendered inoperable (1) on 11/3/80 due to a broken terminal connection i

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I prrrl iscrew and (2) on 7/23/80 due to a loss of control power.

Pump operabilityi J

iwas affected:

(1) Auto ramp initiation signal defeated, (2) Loss of i

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I goisilcontrol power. Manual speed control remained available.

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Both occurrences were directly related to the special testing (recorder i o ITrr) hookuoh The connection screw [ ailed due to excessive use and the loss ofi pi2j lGDDtrol cower was due to incorrect recorder hookuo.

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