ML20003D689
| ML20003D689 | |
| Person / Time | |
|---|---|
| Site: | Hatch  |
| Issue date: | 03/24/1981 |
| From: | Kellogg P, Robert Lewis NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | |
| References | |
| PNO-II-81-024, PNO-II-81-24, NUDOCS 8103300363 | |
| Download: ML20003D689 (1) | |
Text
PRELIMINARY NOTIFICATION March 24, 1981 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE PNO-II-81-24 This oreliminary notification constitutes EARLY notice of an event of POSSIBLE safety or oublic interest significance.
The information cresented is as initially receivec witnout verification or evaluation anc is casically all tnat is known erg ; 73 lE staff as of th.s date.
SA g/e s ' ~
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,s F_Af f LITY: Georgia Power Company ef7, *,
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Hatch Unit No. 2
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Occket No. 50-366
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Atlanta, Georgia 30303
SUBJECT:
LOSS OF AUTCMATIC ECCS ACTUATION CAPABILITY FRCM HICH ORYWELL PR SSJ1
' We,
On March 23 an instrument technician, investigating a drywell low pressure ala. '"l # 9 i identified that seven of tM eight panel valves were closed.
These safety-relate valves isolated twelve instruments which automatically actuate emergency core cooling systems on high drywell prissure. Manual actuation was available from the control room.
The licensee is investigating the closure of these valves.
Following identification of the closed valves, valve lineups were performed and no other discrepancies were identified.
The unit has been operating since March 14. The resident inspector is actively involved in investigating this occurrence. Other regions have been informed by Region II.
A Confirmation of Action Letter is being prepared for transmittal to the licensee.
M2dia interest has not occurred at this time. A news release is planned by the licensee. A press release is not planned by the NRC at this time.
The State of Georgia has been informed.
Region II (Atlanta) received notification of this oc::urrence by telephone from Haadquarters at 6:40 p.m. on March 23, 1981.
This information is current as of 11:00 a.m., on March 24.
Contact:
P. J. Kellogg, RII 242-5581; R. C. Lewis, RII 24?-5680 Distribution:
Transmittal H. St.
Chairman Hencrie Commissioner Ahearne S. J. Chilk, SECY Commissioner Gilinsky Commissionar Bradford C. C. Kammerer, CA AC9S (For Distribution)
Transmitted: NM88 P. Bldg. /,'O5 IE:XOOS (IE:HQ Oist.)
W. J. Dircks, EDO H. R. Denton, NRR C, Michelson, AE00 R. H. Vollmer, NRR Landow (6 min /page)
J. J. - Fouchard, PA F. Schroeder, NRR J. J. Cummings, OIA N. M. Haller, MPA
- 0. F. Ross, NRR G. W. Kerr, SP 0..Eisenhut, NRR MAIL H. K. Shapar, ELD S. H. Hanauer, NRR R. G. Smith, 50 IE:TAS Willste Documt-nt Mgt. Br. (POR)/
Applicable Resident Site /,3 4 J. G. Davis, NMSS S. Ebbin, NSOC R:gional Offices R. Minogue, RES 6g Apolicable Utility 40 5
PRELIMINAi/ NOTIFICATION
/llo 8103300 36 3
.