ML19209C421

LER 79-081/03L-0:on 790926,both Doors to Reactor Bldg Breezeway Airlock Could Be Opened Simultaneously.Caused by Loose Door Position Solenoids Preventing Interlock Feature from Working.Lock Washers Installed to Ensure Tightness

ML19209C421
Person / Time
Site:	Brunswick
Issue date:	10/11/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19209C418	List: ML19209C417 ML19209C421
References
LER-79-081-03L, LER-79-81-3L, NUDOCS 7910150550
Download: ML19209C421 (1)

Text

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. LICENSEE EVENT REPORT CONTROL BLOCK: l l l l l (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

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7 8 60 61 DOCKET NUMBER EVENT DATE EVENT DESCRIPTION AND PROSABLE CONSEQUENCES h O 2 During a norc:a1 plant tour, it was determined that both doors to the reactor building /l lTITl l breezeway airlock could be opened simultaneously, this breaking secondary containment.l ITTTl Technical Specifications 3.6.5.1, 6.9.1.9d i O s l l ITITl l l 0 7 l 0 8 I l 7 8 9 80 CE CODE SU C E COMPONENT CODE SUB ODE SU E ITITI 7 8 lS lA l@ W@ W@ l IlN lS lT lR lU l@ @@ W @

9 10 11 12 13 18 19 20 SEQUENTIAL OCCUR R E NCE REPORT REVISION LER EVENT YE AR REPORT No. CODE TYPE NO.

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36 37 0 0l0l 40 l g g 41 lNlg 42 lAlg 43 44 Xl9l9l9lg 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h i O'l l The door position solenoids were found loose thus preventing the interlock feature l i i from working. The solenoids were cleaned, lubricated, and returned to their mountings [.

i 7 Lock washers were installed to ensure they remained tight. Unit 1 was also checked l i 3 and lock washers were installed. l U l.4J l 7 8 9 80 ST  % POWE R OTHER STATUS OtSCO Y DISCOVERY DESCRIPTION R J@ l 0 l 7 l 0 l@ NA l lAl@l Operator Surveillance l ACTIVITY CO TENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE R [.,.Z,] @ W @ l NA. l l NA 45 l

7 8 9 10 11 de 30 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION

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LOSS OF '.;R OAMAGE TO FACILITY TYPE DESCRfPTION

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