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| {{Adams
| | #REDIRECT [[05000334/LER-1981-078-03, Discovered Leakage Through Containment Airlock Inner Door Seals.Inner Door Sealing Surfaces & O-rings Wiped Down & Regreased.Design Change Procedure Approved on 820605]] |
| | number = ML20010J492
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| | issue date = 09/23/1981
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| | title = /03L-0:on 810823,during Testing of Containment Airlock Door Seals,Leakage Was Detected.Caused by Design Fault in Inner Door Seals.Sealing Surfaces Wiped Down & Regreased.Design Change Initiated
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| | author name = Lacey W
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| | author affiliation = DUQUESNE LIGHT CO.
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| | addressee name =
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| | addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
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| | docket = 05000334
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| | license number =
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| | contact person =
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| | document report number = LER-81-078-03L, LER-81-78-3L, NUDOCS 8110050157
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| | package number = ML20010J483
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| | document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
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| | page count = 2
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| }}
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| {{LER
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| | Title = /03L-0:on 810823,during Testing of Containment Airlock Door Seals,Leakage Was Detected.Caused by Design Fault in Inner Door Seals.Sealing Surfaces Wiped Down & Regreased.Design Change Initiated
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| | Plant =
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| | Reporting criterion =
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| | Power level =
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| | Mode =
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| | Docket = 05000334
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| | LER year = 1981
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| | LER number = 78
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| | LER revision = 3
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| | Event date =
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| | Report date =
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| | ENS =
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| | abstract =
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| }}
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| =text=
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| {{#Wiki_filter:-
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| I 17 771 LICENSEE EVENT REPORT
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| ' CONTROL BLCC:t: l l
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| l l lh (PLEASE PQlNT OR TYPE ALL REQUIREO INFORMATIONI 1
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| F 8 9 LICENSEE CODE 14 15 L CENSE NUM8ER 25 26 LICENSE TYPE
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| .#9 M LAT Sd lolil [C"' l L l@l 0 l 5 i O l 0 l 013 l 314 @l 0 l 8 l 2 l 3 I 8 l 1 l@l 019 I 2 l ll CON'T i
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| 8 60 61 OOCKET NUYBER 64 63 EVENT OATE 14 75 REPORT OA'E 30
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| ,c EVENT DESCRIPTION AND PROB ABLE CONSEGUENCES h I
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| O 2 l On 8/23/81 at 0145 hours with reactor nount n r 44'/. n enrun411,ncn ence conducted to test for leakage thru the containment airlock door seals I
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| g o,3, go l4l [
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| detected leakage past the inner door seals. The airlock was declared l
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| [olS; j inoperable. Power operations continued as perraitted by the action statement I
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| 1 l0 l6 l l of Technical Specification 3.6.1.3.
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| There were no safety implications as I
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| I lo l7l l the outer airlock door tested safisfactorilv.
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| l 101al I 8u 7
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| 8 9 COMP-VA LV E SYSTE'1
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| ==CAUSE==
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| CAUSE CCCE CODE SU9 CODE COMPONENT CODE fa8 CODE SU8 CODE lalel i SI Al@ l al@ l A lh i P l E l N I E l T l Rlh (_t\\jh W h 8
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| 9 to ii 12 13 18 19 20 SEQUENT!AL OCCUAAENCE REPORT REVISION LEA CC EVENTvEAR REPORT NO.
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| COCE TYPE NO.
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| @ ghar I 811 1 1-1 10171 al I/I I o l 11 W
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| I-1 1 01
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| _ 21 22 23 24 26 27 28 29 30 31 32 TA E ACT CN C P NT MET HOURS SS I FOR1 8.
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| 33 34 as 3G 31 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS li l0 l l The airlock inner door sealing surfaces and 0-rines were wined down. recrear gij I
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| l2 Iil i and the surveillance test was successfuilv comnieted at o505 honrc nn ti s yi 1 8/23/81. Because of the frecuent nroblems with the afriock. a design change I
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| f,, y 3 l that will address the seal problems has been initiated and proposed for l
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| [.14i l the second refueling outage.
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| 80 i
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| *. POV.E R OTHER STATUS dis O RY DISCOVERY DESCRIPTION I
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| 2[TiviTY CClrsNT AELE ASED OF RELEASE AVOUNT OF ACTIVITY LOCATION OF RELEASE l
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| l' 16 I [Ej h U@l N/A l
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| l N/A l
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| PERSONNEt EXPO $dE ES l
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| i 80
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| $ 9 11 12 13 PEaSONNE L iN;LRiES
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| N/A l
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| 4 3 11 12 LOSS OF OR O AYACE 'O 8 ACILiTY v.PE
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| 30 NRC USE ONLY a3 y,
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| 8R10050157 810923 W. S. I.acev P"0NE o
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| PDR ADOCK 05000334 'E" S
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| PDR
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| Attachment To LER 81-78/03L Bravar Valley Power Station Duquesne Light Company Docket No. 50-334 Future information concerning the status of the design change will either be reported in a revision to this LER or in a subsequent LER.
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