View source for PNO-I-85-085A, on 851106,licensee Secured from Unusual Event Declared Due to Automatic Actuation of Cable Tunnel Deluge Sys.Caused by Faulty Printed Circuit Card.Ground on Nonvital Bus Damaged by Deluge Sys Corrected

{{Adams
| number = ML20198C231
| issue date = 11/07/1985
| title = PNO-I-85-085A:on 851106,licensee Secured from Unusual Event Declared Due to Automatic Actuation of Cable Tunnel Deluge Sys.Caused by Faulty Printed Circuit Card.Ground on Nonvital Bus Damaged by Deluge Sys Corrected
| author name = Collins S, Hudson S
| author affiliation = NRC OFFICE OF INSPECTION &amp; ENFORCEMENT (IE REGION I)
| addressee name = 
| addressee affiliation = 
| docket = 05000244
| license number = 
| contact person = 
| document report number = PNO-I-85-085A, PNO-I-85-85A, NUDOCS 8511120025
| document type = PRELIMINARY NOTIFICATION OF EVENT OR OCCURRENCE (PNO,, TEXT-INSPECTION &amp; AUDIT &amp; I&amp;E CIRCULARS
| page count = 1
}}
{{#Wiki_filter:,                                                                                   -        .
i s                   ;;qq.                  , 4 DCS N): 50244/851106 Date: Novemb2r 7, 1985 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-I-85-85A (UP This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The infomation is as initially received without verification or evaluation, and is basically all that is known by the Region I
   -staff on this date.                      ,      .
Facility:d ~                                      ^ ' Licensee Emergency Classificatiorn Rochester Gas and Electric Corp.                    .
                                                                      ? Notification of Unusual Event R. E. Ginna Nuclear Station                                        Alert Ontario, New York                             0                   ~ Site Area Emergency DN 50-244                                                          General Emergency X        Not Applicable

==Subject:==
UPDATE ON UNUSUAL EVENT DUE TO FIRE SYSTEM ACTUATION At 1220 on November 6,1985, the licensee secured from the Unusual Event declared at 0505 due to automatic actuation of the cable tunnel deluge system. Investi-gation by the licensee determined that there had been no fire and that a faulty printed circuit card had caused the inadvertent actuation.
The only damage caused by the deluge system was a ground on a non-vital bus that has been corrected.
Tha State of New York has been informed.
CONTACT:   S. Hudson              S. Collins FTS 488-1122                488-1225 DISTRIBUTION:
H. St.               MNBB         Phillips                         EN          W111ste Chairman Palladino EDO                                                                      Mail: ADM:DMB NRR                               IE Comm. Zech            PA NMSS                   DOT:Trans only OIA         RES Comm. Bernthal        ELD                                           AE00 Comm. Roberts                                                                                                       '
Comm. Asselstine ACRS                  Air Rights                                    INPO- S SECY CA SP                                            NSACD PDR                   Regional Offices TMI Resident Section _ \Mo RI Resident Office w St Licensee:
(Reactor Licensees)
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