View source for 05000271/LER-1976-005, Telecopy LER 76-005:on 760217,portion of Procedure Associated W/Securing Plant from Shutdown Cooling Mode Not Performed.Caused by Failure of Plant Personnel to Follow Appropriate Plant Procedure

{{Adams
| number = ML20086D256
| issue date = 02/18/1976
| title = Telecopy LER 76-005:on 760217,portion of Procedure Associated W/Securing Plant from Shutdown Cooling Mode Not Performed.Caused by Failure of Plant Personnel to Follow Appropriate Plant Procedure
| author name = Riley B
| author affiliation = VERMONT YANKEE NUCLEAR POWER CORP.
| addressee name = Oreilly J
| addressee affiliation = NRC OFFICE OF INSPECTION &amp; ENFORCEMENT (IE REGION I)
| docket = 05000271
| license number = 
| contact person = 
| document report number = LER-76-005, LER-76-5, VYV-4198, NUDOCS 8312010071
| package number = ML20086D251
| document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
| page count = 3
}}
{{LER
| Title = Telecopy LER 76-005:on 760217,portion of Procedure Associated W/Securing Plant from Shutdown Cooling Mode Not Performed.Caused by Failure of Plant Personnel to Follow Appropriate Plant Procedure
| Plant = 
| Reporting criterion = 
| Power level = 
| Mode = 
| Docket = 05000271
| LER year = 2076
| LER number = 5
| LER revision = 
| Event date = 
| Report date = 
| ENS = 
| abstract = 
}}

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                        @istvi                         W-              I zl zi zi ziz izi17                       W 43         44 I zi 91919147                        W 4a e u to                      pp ta cAuri DESC974 SON i                                                             rer.ulted frots the failure of plant operating personnel to follow thes                                                                                     l
                        @ 1 This event 69
                         @ l appropriato plant procedure. Retnedial action is in the process of being reviewed                                                                                                           l 60 89                                                                                                                                                                                           l
[                        Q l and will be dencribed in the follow-up report.
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                            ..          EVENT DI'SCRIPTION                                                      .                           .,
                             'z _ Subsequent' to a reactor startup,"it was discovered that a portion of a procedure associated with securing fro-: the shutdown cooling Me of eperation was not perforred." Iccediately following the discovery of                                                                                                    *
                                  '. this condition, ter. ting was initiated to deter =ine the operability of the ERR-25MB valves. Tcot results indicated that the Ri!R-25B valve *                                                                                               ,'
                          . 't , would unt stroke electrically until it was canually cracked off its
                           .    '( closed coat. RER-25A valve .was canually cracked off its closed seat
                                  * ' and stroked electrically. Kaintenance pernonnel observed that the
                             . . . degree ,of difficulty experienced whest RHR-25A was operated was notlecebly greater thnn that experienced with RER-2511. The resultant condit.los of l
                             . ,g..alvesv           25Af.D estchlished appurent- LPOI System inoperability. Manual
  !                                  .* operation of the RRR-25MB valves followed by several successful                                                                                                               .
                                . -} electrical operations provided the icaediate corrective action and l
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* verified subsequent operability of the LPCI System This event ir,not repetitive occurrence. (50-271/76-05)                                                                       , ,                           ,
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                          'YERAiONT YANKEE NUCLEAR POWER CORPOR ATION sevcury acvcN onove sincer x'                    '
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* VERNON. VERMONT oS354 February 18, 1976 I. .
                                . United Stat,es Nuclear Regulatory Cornission                                                      &
                           .       Office of Inspection and Enforectrant                                                                    -
                           -       Region I                                          ,
t                             631 Park Av.couc King of Prussia, Pennsylvania 19406                                                                                 .
I.TIENTION: James P. O'Reilly, Director REFEEDiCE: Operating License DPR-28                                                                        ..
Docket No. 50-271 i
                                         -                 Reportable occurrence No. I:0-76-05 (24 Hour Report)

==Dear Sir:==

As defined by Technical Specifications for the Vermont Yankee                                                                                      -
Nuclear Power Station, Section 6.7, we are reporting the attached I                              Reportable Occurrence as Ro-76-05.
Very truly Jour ,
l' r)lG b                }\ q Bradford E Rileyh Plant Superintendent b.
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