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| {{Adams
| | #REDIRECT [[05000260/LER-1981-033-03, /03L-0:on 810702,reactor Low Pressure Permissive Switch for Recirculation Pump Discharge Valve Actuation Switch 1 Failed.Cause Unknown.Switch Freed & Exercised to Verify Operability.Considered Random Failure]] |
| | number = ML20009F969
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| | issue date = 07/23/1981
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| | title = LER 81-033/03L-0:on 810702,reactor Low Pressure Permissive Switch for Recirculation Pump Discharge Valve Actuation Switch 1 Failed.Cause Unknown.Switch Freed & Exercised to Verify Operability.Considered Random Failure
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| | author name = Holder G
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| | author affiliation = TENNESSEE VALLEY AUTHORITY
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| | addressee name =
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| | addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
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| | docket = 05000260
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| | license number =
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| | contact person =
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| | document report number = LER-81-033-03L-01, LER-81-33-3L-1, NUDOCS 8108030203
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| | package number = ML20009F964
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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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| =Text=
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| {{#Wiki_filter:.
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| U. S. NUCLEAR REGULATCRY COMMISSION l TC FORM *'
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| 36h J
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| : 77) '- LICENSEE EVENT REPORT J
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| l l l (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI t.ON iltot lit 00.. l l l o
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| l
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| ~QTj l ^ l I.] 15 ] Il l le ] 2 lglIts0 l 0L80LNbL iiLLN;aLL CUl#L i4 l -l 0NUMtlkH l 0l 0 l 0 l 0 15l - l160 l 0L4 CENSE [gl 4TYPE l 1JO l 1 l 1 l 1 lgl 7 LAT b6 6
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| as s
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| :om r 0181 3[nCE
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| " "' l I'l@l 0l 5 l 0l 0 l 0l 2l 6 68l O 69gl 0 EVENT l 7 lQATE0 l 2] 874l ll@l 75 017121318 REPORT D ATE l80l l@
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| H' 60 61 OOCKET NUM8ER EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h l a 12 l,1 During normal operation, while performing routine surveillance tests (SI 4.2.B-7),
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| 2-PS-68-96 switch number 1 failed to operate. (T.S. Table 3.2.B). This switch is ;
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| n,,3, l l
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| oiAi l a reactor low pressure permissive for recirculation pump' discharge valve actuation.
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| Redundant systems were g n i ., .
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| [ There was no danger to the health or safety. of the public.
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| g JoI. 1 l available and operable. Previous similar event: BFRO-50-260/78018. i TTT-l l l
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| io lu i f E ODE SUSC E COMPONENT CODE SU8 OE SU E lo l 91 a 9 l Cl El@ ]@ l B l@ l 1f3 l N l S l T l R l U l@ ]Q ] @
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| 10 11 12 18 19 20 REVISION SEQUENTIAL OCCURRENCE REPORT REPORT NO. CODE TYPE No.
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| @ gUQE LE R/RO RE R EVENT YEAR l l1l l--j lOl313l 24 26 d
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| 27 1013 l 28 29
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| [LJ 30 b
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| 3 W32
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| ,,,, 21 22 23 N AC P NT MET HOURS S8 i FOR 8. SU LE
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| * MANUF RER W@ lBl0l8l0l@
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| T Laj@Lz.J@ LI.J@ LzJ@
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| 36 3 l o l 0 I 0101 40
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| ' LYJO 48 I42N [@ 43 44 47 J3 J4 JS CAUGE DESCRIPTION AND CORRECTIVE ACTIONS 1
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| The Barton, bellows type, pressure switch, model 288 g I i l o j l Stuck switch - reason unknown.
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| iiiij i was freed, exercised a number of times to verify switch operability, and surveillance
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| ;, i ,i i instruction 4.2.B-7 was satisfactorily completed. This is considered a random ;
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| 1 l
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| ',Igl
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| ; failure and no further recurrence control is required.
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| l l I LL.Lij l 80 11 a ')
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| Y OlSCOVERY DESCRIPTION l YTNtf[ % POWER OTHER STATUS OtS Routine test l li 151 [Jjh l 0l 9 l 8l@l NA l lBlgl *
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| ' d '* " '' ''
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| A2nve rs co$rtnr LOCATION OF RELEASE iis't.k Asko or nEll A .F AMOUNT OF ACTIVITY NA l lilr.) W @ d * '' ' @l NA l l pe ne.oNNe$. rv e<nuIitS f'
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| l 90eni n l t i / l l 0 l 0'l 0 lhlrvaeZ lh[cESCniefiON NA h
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| * l ctwsonse'i.'imau' dies nuunt n oc;cnianosh j
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| 'lii*ll0l0l0l@l i :s 11 17 NA 80 t OL3 t)f OH I)AMAt.E TO F ACIL1TV fvPE DESCIHPftnN NA l lil'il W hl "
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| o NRc usE ONov
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| '"""' '7 $0Soo! BON
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| 'W h.UEi@l Escni,nON ,.
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| S @ PDR ;
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| 68 69
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| ; ; ; ;;;;;;;;;l.
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| 80 5 lt 4 3 in o
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| ! Gene Holder PHONE:
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| (205) 729-6134 ,,
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| NAME OF PREPARER
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| a . _
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| . E _ . .. . _
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| Form liF 17
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| 'Tenrn:..cc Vallev :\ut h.. it y BF 15.2 Brosvin. Iterry N o r te:o l' hut G/04/81 1 F.l; SUl'l LF. MENT Al. INi/ul01 ATION Twhnic.at S;wnfication in ce!ved Tabl t 3,%.B._.._ _ .
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| Bi it(' f>0 ^ 260. / 81033
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| * Late due NRC: .8/1Z81. _..
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| liete ried Under Technic.il Specific.iti<>n (>.7. 2.b_(2).
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| Time of occurrence __030_g_.,__ Unit 7_
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| Date of Occurrence 7/2/81
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| !dentification and De.,cription of Occurrence:
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| During routine surveillance tests (SI 4.2.B-7), reactor low pressure permissive switch for recirculation pump discharge valve actuation (2-PS-68-96 switch number 1) failed to operate.
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| Ceiniition:. l'rior to Oc. urrence Uniti' 1 In rdfueling outage.
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| ~
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| Unic 2 at 98%.
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| Unit 3 at 99%.
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| Action >pecified in tne Tc;hnical Specification Surveillance Requirements met Describe .
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| ' h "' 19_ iPOEe r3 b_le _.u.lu il imen t .
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| None APl'.uwt C. use of occt.crence.
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| Switch was stuck - reason unknown.
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| Asudvsis <>f Occurrence.
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| There was no danger to the health or safrt.y of and the public, no release no resulting of significant activity, no damage to the plant or equipment, chain of events.
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| (:orr. clive Action: The Barton Model 288 was freed, exercised a number ofd times to verify switch operability, and SI 4.2.B-7 was satisfactorily complete .
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| This is considered a random failure and no further recurrence control is required.
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| Failure Data: BFRO-50-260/78018 lier < ntion:
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| l'er~p d - 1.ifetime; ltesponsibility - Document Control Supervisor
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| +1h vision :}}
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