05000334/LER-1980-097-03, /03L-0:on 801121,containment Airlock Doors Failed Seal Leakage Surveillance Test.Caused by Wood Sliver Adhering to Door Sealing Face & Inner Door O-rings Improperly Mating.Seals Greased.Wood Sliver Removed

/03L-0:on 801121,containment Airlock Doors Failed Seal Leakage Surveillance Test.Caused by Wood Sliver Adhering to Door Sealing Face & Inner Door O-rings Improperly Mating.Seals Greased.Wood Sliver Removed

ML19340D481
Person / Time
Site:	Beaver Valley
Issue date:	12/18/1980
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19340D478	List: 05000334/LER-1980-097-03, /03L-0:on 801121,containment Airlock Doors Failed Seal Leakage Surveillance Test.Caused by Wood Sliver Adhering to Door Sealing Face & Inner Door O-rings Improperly Mating.Seals Greased.Wood Sliver Removed 05000334/LER-1980-098-03, /03L-0:on 801122,main Steam Flow Indicator FI-MS-484 Was Pegged Low.Caused by Transmitter Bypass Valve FT-MS-484 Not Being Fully Closed.Valve Closed 05000334/LER-1980-099-03, /03L-0:on 801125,RCS Loop 2 Channel 1 Flow Indicator FI-RC-424 Showed Reading Above Surveillance Requirement.Caused by Isolation Amplifier Drift.Isolation Amplifier Repaired 05000334/LER-1980-100-03, /03L-0:on 801125,RCS Leakage Exceeded Tech Spec Limit.Caused by Faulty Seal Water Injection Filters & Drain Valves.Valves Replaced 05000334/LER-1980-101-03, /03L-0:on 801126,control Room Chlorine Detector CLA-VS-101A Failed to Meet Operating Surveillance Requirement for Drip Rate.Caused by Clogged Detector Wick & Tank Vent Failure.Vent Filter Replaced & Wick Cleaned ML19340D477
References
LER-80-097-03L, LER-80-97-3L, NUDOCS 8012300667
Download: ML19340D481 (2)

LER-1980-097, /03L-0:on 801121,containment Airlock Doors Failed Seal Leakage Surveillance Test.Caused by Wood Sliver Adhering to Door Sealing Face & Inner Door O-rings Improperly Mating.Seals Greased.Wood Sliver Removed

Event date:
Report date:
3341980097R03 - NRC Website

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,c EVENT CESCRIPTION AND PROSASLE CONSEOutNCES h lol2l l on 11/21/80, both doors of the containment air lock failed their seal leakace i

for the outer door leakace, I

lotal I surveillance test.

After locating the apparent catise loiilI the test was repeated. At 1215 hours0.0141 days <br />0.338 hours <br />0.00201 weeks <br />4.623075e-4 months <br /> with the inner door seal still leaking by, thel lo I s l I airlock was declared inoperabic in. accordance with Technical Specification 3.6.1.3. l lo !s l I The health and safety of the public was not icopardized as the containment was under[

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r,#21I replaced. Both door seals were greased.

Following this, at 2130 hours0.0247 days <br />0.592 hours <br />0.00352 weeks <br />8.10465e-4 months <br /> on 11/21/80,3 l

l 131 l the air lock test-was successfully completed.

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%PCWER OTHER STATUS DISCO RY OeSCOVERY OESCRIPTIO*e IiisjiCl@ l0l0l0{@l N/A l

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Attachment To LER 80-97/03L Beaver Valley Power Station Duquesne Light Company Docket No.51-334 No further information is available or needed to satisfy the reporting requirement.

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