05000348/LER-1981-063-03, /03L-0:on 810812,power Supply Breaker Was Inadvertently Racked Out Rendering R11 & R12 Inoperable. Caused by Personnel Failing to Recognize Both Inboard & Outboard Pumps Operate Through Same Supply Breaker

/03L-0:on 810812,power Supply Breaker Was Inadvertently Racked Out Rendering R11 & R12 Inoperable. Caused by Personnel Failing to Recognize Both Inboard & Outboard Pumps Operate Through Same Supply Breaker

ML20010G832
Person / Time
Site:	Farley
Issue date:	09/09/1981
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20010G766	List: 05000348/LER-1981-056-03, /03L-0:on 810817,supply Breaker for 1A Charging Pump Was Inadvertently Racked Out.Caused by Personnel Tagging Unit 2 Pump 2A Instead of Unit 1 Pump 1A.Personnel Counseled 05000348/LER-1981-058-03, /03L-0:on 810813,containment Radioactivity Monitoring Sys R11 & R12 Were de-energized.Caused by Failure of 600/208-volt Transformer.Transformer replaced.R11 & R12 re-energized 05000348/LER-1981-060-03, /03L-0:on 810812,loop a Temp Average Protection Channel 412D Declared Inoperable When Temp Indicator Failed Low.Caused by Failure of lead-lag Card.Card Replaced & Calibr 05000348/LER-1981-061-03, /03L-0:on 810819,diesel Generator 2C Declared Inoperable When Prematurely Removed from Svc for Preventative Maint.Caused by Personnel Tagging Out W/O Final Approval of Operations Personnel 05000348/LER-1981-062-03, /03L-0:on 810809,train a Penetration Room Filtration Sys Did Not Operate as Required.Caused by Failure of Dc Controller Card.Card Replaced & Calibr 05000348/LER-1981-063-03, /03L-0:on 810812,power Supply Breaker Was Inadvertently Racked Out Rendering R11 & R12 Inoperable. Caused by Personnel Failing to Recognize Both Inboard & Outboard Pumps Operate Through Same Supply Breaker ML20010G765
References
LER-81-063-03L, LER-81-63-3L, NUDOCS 8109220567
Download: ML20010G832 (2)

LER-1981-063, /03L-0:on 810812,power Supply Breaker Was Inadvertently Racked Out Rendering R11 & R12 Inoperable. Caused by Personnel Failing to Recognize Both Inboard & Outboard Pumps Operate Through Same Supply Breaker

Event date:
Report date:
3481981063R03 - NRC Website

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