05000368/LER-1950-368, /03L-0 on 790514:during Mode 3,supply Valves to Steam Generator Would Not Respond to Control Room Demand Signal.Caused by Blown Fuse & Stuck Relay.Similar to LER 50-368/79-026.Repairs Made & Valves Proven Operable: Difference between revisions

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{{Adams
#REDIRECT [[05000368/LER-1950-368, :on 860722,while Conducting Routine Plant Tour, Fire Watch Personnel Found Asleep at Fire Watch Stations. Fire Watch Personnel Replaced.Similar Event Reported in LER 50-368/83-043]]
| number = ML19273B960
| issue date = 06/12/1979
| title = /03L-0 on 790514:during Mode 3,supply Valves to Steam Generator Would Not Respond to Control Room Demand Signal.Caused by Blown Fuse & Stuck Relay.Similar to LER 50-368/79-026.Repairs Made & Valves Proven Operable
| author name = Shively C
| author affiliation = ARKANSAS POWER & LIGHT CO.
| addressee name =
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
| docket = 05000368
| license number =
| contact person =
| document report number = LER-79-037-03L, LER-79-37-3L, NUDOCS 7906180587
| package number = ML19273B940
| document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
| page count = 1
}}
{{LER
| Title = /03L-0 on 790514:during Mode 3,supply Valves to Steam Generator Would Not Respond to Control Room Demand Signal.Caused by Blown Fuse & Stuck Relay.Similar to LER 50-368/79-026.Repairs Made & Valves Proven Operable
| Plant =
| Reporting criterion =
| Power level =
| Mode =
| Docket = 05000368
| LER year = 1950
| LER number = 368
| LER revision = 0
| Event date =
| Report date =
| ENS =
| abstract =
}}
 
=text=
{{#Wiki_filter:.A..
.N RC FORM 366 O 771 U. S. NUCLE AR REGULATORY COMMISSION LICENSEE EVENT REPORT EXHIBIT A CONTROL etOcic [
l l l l l.lg (PtEASE print OR TYPE ALL REOUIRED INFORMATION!
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a 9 LfCENSEE CGOE le 15 LICE NSE teWeEH 25 26 Lec t s,E tirt N b 7 C A T Su C O'CT c12 E'/"C [L_.j@l015 l0 l0 l 0 l31 618 @l 01511 14 l7 I 9 l@l016 Il 12 1719 l@
3 8
61 oOCgET sVMBE R 68 Ca EVENT DATE 74 75 HF,OHI C AT E 80 EVENT DESCAIPTION AND PROBA0LE CONSEQUENCES h [During Mode 3 operation, while utilizing the steam driven o
2 g,i,j; Emergency Feedwater Pump, 2P7B, for normal auxiliary l feed, supply valves, 2CV-1039-2 and 2CV-1076-2, to a
4 i
Steam Generator, 2E24B, would not respond to a Control c
s j
; Room demand signal.
The 2P7A feedwater loop to 2E24B
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Iwas declared inoperable. This occurrence is similar to i
S0 i
:- 368/79-026.
Reportable per T.S.6.9.1.9 (b).
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J' 40 45 41 43 de 41 CALSE OESCA#TICN AND CORREC flVE ACTIO'.S h i; (Unit was niaced in Mode 5 operation, due to an unrelated i
i j iproblem, meeting the requirements of Action Statement gT.S.3.7.1.2. Investigation revealed a blown fuse in the j
l 2CV-1039-2 circuitry and a stuck relay overriding the
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,,, i 2CV-1076-2 operation. Repairs were made 6 valves proven operable.
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Chris N. Shively 5d1/968-2519
.7906180 68'7 S
}}
 
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Revision as of 15:50, 23 May 2025