05000315/LER-1981-021-03, /03L-0:on 810621,during Reactor Core Alterations, Communications Were Lost Between Refueling Crew in Containment & Control Room.Caused by Defective Headset Cord at Refueling PA Station Plug.Headset Jack Removed

/03L-0:on 810621,during Reactor Core Alterations, Communications Were Lost Between Refueling Crew in Containment & Control Room.Caused by Defective Headset Cord at Refueling PA Station Plug.Headset Jack Removed

ML20009D667
Person / Time
Site:	Cook
Issue date:	07/16/1981
From:	Palmer R INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20009D658	List: 05000315/LER-1981-021-03, /03L-0:on 810621,during Reactor Core Alterations, Communications Were Lost Between Refueling Crew in Containment & Control Room.Caused by Defective Headset Cord at Refueling PA Station Plug.Headset Jack Removed
References
LER-81-021-03L, LER-81-21-3L, NUDOCS 8107240262
Download: ML20009D667 (2)

LER-1981-021, /03L-0:on 810621,during Reactor Core Alterations, Communications Were Lost Between Refueling Crew in Containment & Control Room.Caused by Defective Headset Cord at Refueling PA Station Plug.Headset Jack Removed

Event date:
Report date:
3151981021R03 - NRC Website

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,Io 121 l DURING CORE ALTERATIONS OF THE REACTOR, COMMUNICATIONS WERE LOST BETWEEN THE REFUELING l

i o,3, ; CREW IN CONTAINMENT AND THE CONTROL ROOM. THIS WAS CONTRARY TO TPF REQUIREMENTS OF i

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- j ii,i j l DEFECTIVE HEADSET CORD AT THE REFUELING PA STATION PLU'i. TWO HEADSET CORDS WERE I

SOLDERED 70GETHER A'T THE PLUG TO ENABLE THE REFUELING CREW TO HAVE ADDITIONAL HEADSETS ATl

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F ATTACHMENT TO LER # 81-021/03L-0 SUPPLEMENT TO CAU<E DESCRIPTION l

FROM THE PLUG WOULD HAVE ALLOWED THE CREW TO USE THE HANDSET AND CONTINUE COMMUNICATION. AN ADDITIONAL JACK HAS BEEN INSTALLED ON EACH OF THE REFUELING PA STATIONS TO ALLOW TWO SINGLE PLUG HEADSET CORDS TO BE USED.

THE USE OF DOUBLE HEADSET CORDS HAS BEEN DISCONTIt:UED. THE DEFECTIVE CORD WAS REPLACED AND THE SYSTEM WAS RETURfF.D TO SERVICE.