View source for PNO-III-87-075, on 870521,licensee Shut Unit Down from 7% Power to Repair Valve Packing Leak Detected on 870520 in Rwcu.Source of Leak Determined & Valve Opened & Closed to Stop Leakage Through Packing

{{Adams
| number = ML20214N007
| issue date = 05/22/1987
| title = PNO-III-87-075:on 870521,licensee Shut Unit Down from 7% Power to Repair Valve Packing Leak Detected on 870520 in Rwcu.Source of Leak Determined & Valve Opened & Closed to Stop Leakage Through Packing
| author name = Greenman E, Pelke P
| author affiliation = NRC OFFICE OF INSPECTION &amp; ENFORCEMENT (IE REGION III)
| addressee name = 
| addressee affiliation = 
| docket = 05000341
| license number = 
| contact person = 
| document report number = PNO-III-87-075, PNO-III-87-75, NUDOCS 8706020015
| document type = PRELIMINARY NOTIFICATION OF EVENT OR OCCURRENCE (PNO,, TEXT-INSPECTION &amp; AUDIT &amp; I&amp;E CIRCULARS
| page count = 1
}}
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PRELIMINARYNOTIFICATION'0FEVENTORUNUSUAL10CCURRENCE--PNO-III-8'7-75DateMay 22, 1987
                                                    .,       4 gy LThis preliminary notification constitutes EARLY notice of events of POSSIBLE safety
:or public interest significance. The information is as~ initially received without vsrification or evaluation, and is basicalJy all that is known by the Region III staff 'on.this date.                                   '
Facility:' Detroit Edison.                                       Licens'ee Emergency Classification: '
Fermi 2                                '
( Notification of an Unusual Event Newport, MI 48166                                           Alert Site Area Emergency Docket No. 50-341' Geaeral Emergency Not' Applicable S0b,jsct: SHUTDOWN TO REPAIR VALVE
'10n May 21, 1987, the licensee shut the unit down from seven percent power tc, repair a valve
  -packing which had been leaking in the reactor water cleanup, system. The leakage.-- about
, 2.5 gallons per minute inside the reactor containment -- was detected on May 20, 1987. Once th2 source of the leakage was determined, the valve was opened and reclosed, successfully t:rminating the leak from the valve packing. The licensee elected to shut the plant down to repair' the valve.;and the unit is expected to resume operation on May 26, 1987.                                                  \
The licensee declared an Unusual Event under their emergency plan. The unusual event was
  .tsrminated when the leakage was stopped.
The resident inspectors have been monitoring the licensee's activities.
This Preliminary Notification is being issued because the shutdown will be greater than two days. This information is current as of 11 a.m., May 22,1987.
  -CONTACT:
                    .@.fL.
P. Pelke-f&k.& . =d E. Greenman FTS 388-5560                           FTS 388-5518 8706020015 870522
                           -I   075 PDR DISTRIBUTION:
H. St.                              ED0       NRR            E/W                        Willste    Mail: ADM:DMB Chairman Zech                       Pt.                       IE                        NMSS                 DOT:Trans only Com. Roberts                        ELD                      OIA                        RES
  .Comm. Asselstine.                                            AE0D                                  NRC Ops Ctr     M.'( /
Com. 'Bernthal
_Comm. Carr                          SP M.)A            Regional Offices ACRS-SECY-                               INP0 27.%                NSAC J. W CA.                                 RIII Resident Office
  .PDR                                 Licensee:          oltSM          (Corp. Office - Reactor Lic. Only)
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Region III             3MA m[N            ..       .   ..
Rev. November 1986     g3</}}

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