ML20052H766

LER 82-013/03L-0:on 820228,during Routine Insp,Leak Discovered on Pressure Side of MUV-292 in Heat Affected Area of Weld.Caused by Vibration.Weld Replaced & Addl Support Added to MUV-292 to Reduce Vibration

ML20052H766
Person / Time
Site:	Crystal River
Issue date:	03/29/1982
From:	Charles Brown FLORIDA POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20052H761	List: ML20052H760 ML20052H766
References
LER-82-013-03L, LER-82-13-3L, NUDOCS 8205210420
Download: ML20052H766 (1)

Text

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E VE *.T D ATE is i F EPGRT DATE EO 9 E 60 61 DOC K E T !.U:1bER EVEr.T DESCRIPilOrJ AND FRO 3 ABLE CO*!SEQUEtJCES h q q gat 1800 during routine inspection, a leak was discovered on the pressure side of MUV-292 l in the " heat affected area" of the weld. This created an event contrary to T.S. 3.1.2.4.1.l MUP-1A was secured and MUP-lC was started. Maintenance was initiated and operability was l gg gq g restored at 1800 on 3/1/82. There was no effect upon the health or safety of the general g O 6 lPublic. This is the first reportable occurrence for this event and this is the first l lel7l lrepUrt under this Specification. l I

10181 1 ,,

SYSTEM CAUSE CAUSE COVP. VALVE CCOE CODE SUBCODE ~

CT.ONENT CODE SusCCDE SUSCODE jol9l l S l F l@ l Xl@ l Z l@ l Pl Il P l E { X lX l@ g@ $ @ 20 y 8 9 to 11 12 13 18 19 SE QUE NTI AL OCC'.R Ft E NCE REFORT REVISION

.p EVEr;T YE AR REPORT No. CODE TYPE N O.

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• __2 8 22 23 24 26 27 28 29 EFFECT SHUTCoWN A TT A CH'.*.E NT f6PR D-4 FRl* *E CO?/.P. CO?.tPONENT CCTION FeTURE r.tA*JUF ACTURE R TAKgr. ACTION ON PL ANT */ E T *4 0 D HOURS SUB Ms TTED F ORf.t sus. SUFPLIER lX 33 lhl 34X l@ l_C_j@

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43 l44Z I 9 l 9 l 947 lh CAusE CESCRIPTIO!! AND CORRECTIVE ACTIONS h l 1 l 0 l l The apparent cause of this event is attributed to vibration. T'ie weld was replaced nnd l l3giy';more support was added to MUV-292 to reduce vibration. Long term corrective action is 1 l

,,y,y yunder engineering evaluation.

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• =POWER OT H E R ST ATUS IS OV R DISCOVERY DESCRIPTION

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li l58 l9 Wh l 0 l 0 l 0 lhl NA I 44 Ld@l 45 46 Onerator observation 80 y 10 12 13 ACTIVITY CONYENT Af.90VNT OF ACTIVITY LOCATION OF RELEASE RE1.E ASED OF RELE ASE N^ l L n^ I li Icl8 LzJ 9 0

@ L7J@l 10 11 44 45 80 PERSO*JNEL E XPoSURES NU".tB E R TYPE DESCRIPTION NA l i7 10l 0101@l ZI@l13 80 7 8 9 11 12 PEPSD*4f4 E L. INJURIES rgu .*e E R DE SCRIPTION

[i la j l 0l 0l 0 l@l NA l 50 y U g 11 12 LOSS OF OR DAt.* AGE TO FACILITY TYPE DESCRIPTION NA l 1191 LzJ@l

' "* 210420 820329 NRC USE ONLY Puet STYDESCRIPT80Nb, 8205PDR ADOCK 05000302 ISSUE j l l l l l l l l l l l l j ?.g 2lnl hl s PDR 68 69 50

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