ML19253C332

LER 79-089/03L-0:on 791104,during drywell-to-torus Vacuum Breaker Test,Close Indication Could Not Be Obtained on Valve 2-CAC-X18D.Caused by Defective Switch.Lead Replaced & Switch to Be Repaired in 1980 Refueling Outage

ML19253C332
Person / Time
Site:	Brunswick
Issue date:	11/27/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19253C331	List: ML19253C330 ML19253C332
References
LER-79-089-03L, LER-79-89-3L, NUDOCS 7911300538
Download: ML19253C332 (1)

Text

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LICENSEE EVENT REPORT CONTROL BLOCK:

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lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI

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7 8 0 LICENSEE CODE 14 16 LICENSE NUMutR 25 26 LICENSE TYPg 40 57 CAT 58 CD's'T 1

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60 61 DOCK ET NUMBER EVFNT D ATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h o 2 l While performing PT. 2.3.1, Drywell ~ to Torus Vacuum Breaker Operability Test, a "close"l 0 3 indication could not be obtained on valve 2-CAC-X18D. l o .i l l o s I l 0 6 l . l 0 7 l l

. .n 0 a l Technical Specification 3.6.4.1, 6.9.1.9b '

7 8 9  ; 80 OE CODE SL SC E COMPONENT CODE 58 DE S E 7

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4 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h /

i O l The problem was determined to be a defective position limit switch. As the switch cant-g ]not be~ replaced at this time due to its being in the drvwell, its lead was fifted in I

, 7 l panel JX0, located 'in the Control Room and the lead from an installed spare switch wasl

, , 3 connected. The defective switch will be repaired / replaced during the 1980 refueling l

, ,, j optage. This is considered an isolated event and no further action is required.

7 8 9 80 STA $  % POWE R OTHER STATUS IS O RY DISCOVERY DESCRIPTION i s_ l Elg l 0 l 9 l 0 [gl N/A l l B [gl Periodic Test [

ACTIVITY CO TENT RELE ASED OF RELE ASE AMOUNT OF ACTIVITY LOCA' TION OF RELEASE 1 6 lZ -l @ l10Z l@l N/A l l N/A l 7 8 9 ft 44 45 80 PERSONNEL EXPOSURES NUUSE R TYPE DESCRIPTION i 7 1 01 01 Ol@l' Z l@l N/A l

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NAME OF PREPAREH A. C. Tollison, Jr.

PHONE.

919 - 457-9521