05000324/LER-1980-105-03, /03L-0:on 801202,TIP Machine a Found W/O TIP Indication Which Prevented Closing of a TIP Ball Valve. Caused by Bent Tube Guide Chafing & Extending Probe Cable Until Breakage Occurred

/03L-0:on 801202,TIP Machine a Found W/O TIP Indication Which Prevented Closing of a TIP Ball Valve. Caused by Bent Tube Guide Chafing & Extending Probe Cable Until Breakage Occurred

ML20002B951
Person / Time
Site:	Brunswick
Issue date:	12/30/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20002B950	List: 05000324/LER-1980-105, Forwards LER 80-105/03L-0 05000324/LER-1980-105-03, /03L-0:on 801202,TIP Machine a Found W/O TIP Indication Which Prevented Closing of a TIP Ball Valve. Caused by Bent Tube Guide Chafing & Extending Probe Cable Until Breakage Occurred
References
LER-80-105-03L, LER-80-105-3L, NUDOCS 8101070373
Download: ML20002B951 (2)

LER-1980-105, /03L-0:on 801202,TIP Machine a Found W/O TIP Indication Which Prevented Closing of a TIP Ball Valve. Caused by Bent Tube Guide Chafing & Extending Probe Cable Until Breakage Occurred

Event date:
Report date:
3241980105R03 - NRC Website

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REPORT CATE 40 EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h 10 l 2 l l During nonnal operation while investigating problems associated with the operation I

t o l a i l of "B" TIP machine, it wasJdiscovered that the "A" TIP machine _did_oot;.have_ IIP indi-I f'oT:i'l Ication which orevented the closing of the "A" TIP ball valve. The "A" TIP ball valve I 101sl l was therefore declared inoperable as required by Technical Specifications. The health [57s'] I and safety of the public was not affected by this event.

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35 26 37 40 el 42 43 44 47 33 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l The "A" TIP did not have position indication because the probe cable broke when extendpd

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,,,,,; due to a bent guide tube which caused chafing and eventual failure of the cable. The; probe was replaced and the guide tube straightened which returned the "A" TIP to y

nor=al service. It is believed that the tube was bent during maintenance /constructioq y

in the area during the past refueling outage.

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NAME OF PREPARER

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LER ATTACINENT - RO # 2-80-105 Facility: BSEP Unit No. 2 Event Date:

12-02-80 Proceedures will be written or revised to ensure that these guide tubes are inspected in the future, prior to startup, when maintenance has been performed in the area.

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