ML19345H599

LER 81-046/03L-0:on 810417,during Verification of rod-drive Coupling for Rod 30-23,rod Overtravel Annunciator Was Received.Cause Not Stated.Rod Will Be Inspected During Next Control Rod Drive Rebuilding Outage

ML19345H599
Person / Time
Site:	Brunswick
Issue date:	05/12/1981
From:	Pastva M CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19345H598	List: ML19345H597 ML19345H599
References
LER-81-046-03L, LER-81-46-3L, NUDOCS 8105210348
Download: ML19345H599 (1)

Text

. --. . - . . _ _ _

b NRc FOZM 366 U. S. NUCLEA'1 CEGULATC:".Y COMMISSION

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• LICENSEE EVENT REPORT -

i CONTROL 8 LOCK: ] ] l l l l (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION!

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nl el el 21@ltS0101 to l 01 Ol o l 0101 LICENSE Nuv6ER 101 O25 l@l 2e 4 lLICENSE 11111111@l Type J0 I

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7 4 3 LICENSEE CCOE CON T lolil 7 6

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- 1013 l 214 tv6 63 @l 01OATE EVENT a l 117 l 81 I REPCRT 74 75 l@l QATE015 I i l 2 l 8 l 1 l@

WQ EVENT DESCRIPTION AND PROS A8LE CONSEQUENCES h ,

lo1:1 IDurinz a nor al clant startuo while movine control rods. a " red overrravel" annuncincorf ITTTl lwas received during the verification of rod-drive coupling for rea 30-23. This rod andl lo l4l Ithe other rods symmetric to it were then inserted and deactivated in accordance with I r

l o i s l lplant procedures and technical specifications. A past similar event involving this rod!

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l 0 l6 l lwas reported in LER 2-81-35. This event did not affect the health or safetv of the I I

l o I 7 I loublic.

Technical Specifications 3.1.3.6. 6.9.1.9b l Io #a1 i 80 ,

Sv$ TEM CAUSE CAUSE COMP. VALVE CCCE CCCE SUSCOCE COMPONENT CQQE SLSCODE SUSCCCE

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18 7 REVISION LE QUE NTI AL Occur AEi4CE REPORT R EPORT NO, CCQE TYPE N O.

EVENT VE AR

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27 10 l3 l 28 29 lti 30 I_l 31 LO_j 32 21 22 23 24 WOURS 22 S SMI FOR 9. SUPPLIE

• UANUsACTURER T N ACT N O LANT VET

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42 J43 N l@ lG 44 l0 l8 l0 l@ 4; CAUSE DESCRIPTION AND CCARECTlvE ACTIONS iTTTl IDurine subsecuent unit load chances while above the preset power level of the ascs. I I

y Ithis rod was verified coupled to its drive and was declared operable and returned to During the next sched',iledl g l service in accordance with Technical Specification 3.1.3.6a.

tii3i lCRD rebuilding outage, this rod will be inspected to determine if any irregularities  !

I g taxist rhich could have caused the " rod overtravel" annunciator. s0 7 8 9 ~

OTwER STATUS dis Rv 08SCOVERv CESCRIPTION 5A  %*OWER W [Cj@ l 0 l 0 l 7 l@l NA l l A l@l Operational Event l A$rivity ColTENT toCATioN C, REufSE @

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L'_LJ LzJ @,REuAul l@l AucuNT NA o, ACTiviTv @ l l NA l 44 45 80 1 7 8 9 to 13

1. ERSONNEL EXPOSURE $ - -- NU'.*8 E R TYPE CESCRIPTICN 39 ~

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' ' ' ,iR$oNN E'L ,N2u'Z ES w.,,ER aESCR,,rioN@

NA l liIal[01010l@l 7 8 9 11 12 80 LOSS OF OR DAMACE To F ACILITY Tv E DESCR PTION NA I fiTH l_'zj@L 80 7 4 ') to IS$yE ESCRiptlON 2 o [,N._J81 NA 1 lllll1()ll lllJ 7 a 2 io "1

8105210M$M.

. __ _ . _ _ _ N A V E O F. P R E P A R E n

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' PHON E:

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