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| {{Adams
| | #REDIRECT [[05000293/LER-1980-044-03, RCIC Inboard Isolation Valve Activated & Breaker Tripped.Caused by Valve Electrically Backseating.Valve Motor Burned Out & Contactor Seized.Valve & Operator Replaced]] |
| | number = ML19344E634
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| | issue date = 08/29/1980
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| | title = /03L-0:on 800801,reactor Core Isolation Cooling Inboard Isolation Valve Failed to Close on Reactor Low Pressure Signal.Motor Overload Annunciator Came in & Breaker Tripped.Caused by Valve Motor Burn Out
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| | author name = Whitney G
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| | author affiliation = BOSTON EDISON 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 = 05000293
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| | license number =
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| | contact person =
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| | document report number = LER-80-044-03L, LER-80-44-3L, NUDOCS 8009020386
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| | package number = ML19344E631
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| | document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
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| | page count = 1
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| }}
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| {{LER
| |
| | Title = /03L-0:on 800801,reactor Core Isolation Cooling Inboard Isolation Valve Failed to Close on Reactor Low Pressure Signal.Motor Overload Annunciator Came in & Breaker Tripped.Caused by Valve Motor Burn Out
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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 = 05000293
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| | LER year = 1980
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| | LER number = 44
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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:LLJUSCJL a BB NU@ LEAR REGULATORY COMMISSION (7 77) '
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| LICENSEE EVENT REPORT CONTROL BLOCK: l' l
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| (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) l o l t l l M l A l P l P l S l 1 l@150 l 0 l - l 0 l 0 l 0 l 0 l 0 l-l 0 l 0 l@l 4 l 1 l 1 l 1 l 1 l@l l
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| l@
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| 7 8'9
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| :- LICENSEE CODE 14 LICENSE NUMBER 25 26 LICENSE TYPE JO 57 CAT 58 CON'T -
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| 8 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 76 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h lo I2l l RCIC Inboard Isolation Valve failed to close on reactor low pressure signal.
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| l Motor overload annunciator came in and breaker tripped. Reactor pressure was below l lO lal l_
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| ,o,4, l limits set in Technical Specification 3.5.D.1.
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| l 10151 l l
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| ITTs 1 1 I
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| 10171I I
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| C E CODE S SC E COMPONENT CODE SU8 Code SU E
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| lO191 l C l E lh Wh l A lh l Vl Al Ll Vl Ol Plh Wh W h 7
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| 8 9
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| 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LE R /RO EVENT YEAR REPORT NO.
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| CODE TYPE N O.
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| h yUg l218 l0 l l-l l0 l 4l 4l W
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| l 0l 3l lL l l-l l0l RE 22 23 24 26 27 3
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| M 30 31 32 K N AC 0 P NT ME HOURS S8 i FOR 8.
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| SUPP E MAN F C RER lAl@lZl@
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| l Rl Tl 6l Ol@
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| 33 34 35 M
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| 31 40 41 42 3
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| 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h
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| ,,,o,l Valve motor was found to be burned out and cOntactor seized. Motor and contactor
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| ,,,,,; replaced and valve checked for' operability to comply with station procedures l
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| ; 3.M.4-20 and 8.5.5.4.
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| LLLJ l I
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| L21.4J l l
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| 7 8 9 80 SA
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| % POWER OTHER STATUS DIS RY DISCOVERY DESCRIPTION li is l W@ l Ol Ol 0l@l N.A.
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| l W hl Ooerational Event l
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| A!Tiviry CO'0 TENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE l1l6l W @ d @l N.A.
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| l l
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| N.A.
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| l PERSONNEL EXPOS ES NUMBER TYPE
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| | |
| ==DESCRIPTION==
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| lTTT] l 0 l 0 l 0 l@l Z l@l N.A.
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| l PERSONNELINJU IES NUM8ER
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| | |
| ==DESCRIPTION==
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| l0l0l0l@l N.A.
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| l i a 7
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| 8 9 11 12 -
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| 80 LOSS OF OR DAMAGE TO FACILITY TYPE
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| @l SCRIPTION DE N.A.
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| l 1 9 7-8 9 10 80 PUBLICITY
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| ,4RC USE ONLY LN_jhl 80 09020 3$
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| ISSU ED
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| | |
| ==DESCRIPTION==
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| N.A.
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| l lllllllllllll2 2 O 7.
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| 8 9 to 68 69 80 5 NAME OF PREPARER PHONE-
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| ~
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| }}
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| {{LER-Nav}}
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