05000324/LER-1979-081-03, /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

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/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 Duke Energy icon.png
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:
References
LER-79-081-03L, LER-79-81-3L, NUDOCS 7910150550
Download: ML19209C421 (1)


LER-1979-081, /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
Event date:
Report date:
3241979081R03 - NRC Website

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LICENSEE EVENT REPORT CONTROL BLOCK:

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8 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 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

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33 34 33 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h O'l l The door position solenoids were found loose thus preventing the interlock feature l

i i i from working. The solenoids were cleaned, lubricated, and returned to their mountings [.

Lock washers were installed to ensure they remained tight. Unit 1 was also checked l

i 7 and lock washers were installed.

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7 8 9 11 12 80 LOSS OF '.;R OAMAGE TO FACILITY TYPE DESCRfPTION [TTT1 I ZI@l NA 7950150 5 So l

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