ML20248L106
| ML20248L106 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 03/20/1978 |
| From: | Nolan F, Sniezek J, Whitt K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | |
| References | |
| PNO-78-054, PNO-78-54, NUDOCS 9806100432 | |
| Download: ML20248L106 (1) | |
Text
& h h A R w # D1 h $ 04 Q
,0 1 PRELIMINARY NOTIFICATION March 20,1978 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-78-54 This preliminary notification constitutes EARLY notice of an event of l
POSSI 3LE safety or public interest significance.
The information I
presented is as initially received without verification or evaluation and is basically all that is known by IE staff on this date.
Facility:
Northeast Nuclear Energy Company Millstone Point Unit 1 Waterford, Connecticut (DN50-245)
Subject:
SMALL THRU HALL LEAX FROM VENT LINE IN REACT 0P, RECIRCULATION SYSTEM On !1 arch 19, slight leakage from a 3/4" vent line off the bonnet of a Recirculation System Discharge valve, was determined to be from a through wall crack in the heat affected zone at the pipe-to-valve weld. The licensee is investigating the failure mechanism.
Leakage is minor and isolable.
The plant is currently in a refueling outage.
Media interest is expected because of local sensitivity and interest in j
operating problems at Millstone. The State of Connecticut has been a(s informed. A press release is not planned by the licensee or NRC.
NRC, Region I, (Philadelphia) received notification of this occurrence by telephone from an inspector on site at 11:37 a.m., March 20, 1978.
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Contact:
KWWhitt IE x28019 FNolan, IE x28019 JHSniezek, IE x28019 Distribution:
Transmitted H St 3! YY Chairman Hendrie Commissioner Bradford d
Commissioner Kennedy S. J. Chilk, SECY C. C. Kammerer, CA Commissioner Gilinsky (ForDistribution)
Transmitted: MNBB3/Vlo P Bldg '3! N E. Volgenau IE L. V. Gossick, EDO E. G. Case, NRR Region i, M 9 S. H. Hanauer, ED0 J. J. Fouchard, PA SS Bldg 1; 6 (MAIL)
R. Hartfield, MIPC C. V. Snii th, NMSS T. J. McTiernan, OIA R. G. Ry4n, OSP R. Minogue, SD H. K. Shapar, ELD PRELIMINARY NOTIFICATION
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gig 327so320 PNO-78-054 PDR
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