ML20027D854

LER 82-011/03L-0:on 821004,while Inspecting Snubber Installed on 821002,mechanic Found Snubber Inoperable.Caused by Misreading of Hanger Sketch.Snubber Removed,Tested & Reinstalled

ML20027D854
Person / Time
Site:	Oconee
Issue date:	11/03/1982
From:	Petty J DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20027D851	List: ML20027D850 ML20027D854
References
LER-82-011-03L-03, LER-82-11-3L-3, NUDOCS 8211100263
Download: ML20027D854 (1)

Text

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EVENT DESCRIPTION AND PROSABLE CONSEQUENCES O10 l o l2 l l0n October 4,1982, while reinspectYng a Unit 3 snubber, installed October 2, l g , ;1982, a mechanic found it to be inoperable. QA would have discovered this when g, p ; l they inspected the job. TheTDEFWPTurbineandtheMDEFWPSwerealwaysoperablq.

l o ls l lThe snubber was adjusted and reinstalled within 45 hours5.208333e-4 days <br />0.0125 hours <br />7.440476e-5 weeks <br />1.71225e-5 months <br />, and no radiation was l l o l6 l l released as a result of this occurrence. Thus, the health and safety of the l l o l 7 l l general public were not endangered as a result of this incident. l loIell ' "

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l i lo l l The cause of this occurrence was an installation deficiency. niirf rw inntn11n l i;,;l tion, the mechanic involved misread the sketch and adjusted the snubber to l l l i l 2 l l those readings. The snubber was removed, manually tested, readjusted, and was l

,, l reinstalled. The incident was discussed with the persons involved, and a l

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, 6211100263 821103 NRC uSE oNtv i.....u.u.,1,..c.i, vion @ PDR ADOCK 05000287 i 1 o ..l l Ni@l 2 S PDR l lllllllllllll NAME OF PREPARER . C. etty PHON E : (704) 373-8270 l

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