ML20058K762
| ML20058K762 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 06/17/1974 |
| From: | Larson C NORTHERN STATES POWER CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| NUDOCS 9102140366 | |
| Download: ML20058K762 (1) | |
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N:O'R.T H E R.PC STATES F O W 8: R.-
C'O M P-A' P4 Y hbuticelloy Minnesota. 55362".
Jcme 17 1974 Mr. J. G.. F.cppler, Regional Director Directomte of Regulatory Operntions Pagiom III United States Ateni'c. Energy Crmission:
799 R0osevelt Read Glen Ellyn. Illinois 61075 Boar Mr.' F.eppler:
LEITTIN NUCLJR GCUmf,TD.'3 PZ.tX Dochet Ib. 50~-263 License Ko. DFRr22 Ch: June 14, 1974, a; smil'ledt in the No. II Fi% T
? w r=a line caused At.
the plcat to begin shutdact =tivitics at nepro. inately 1500. hours.
03201 July 15, 1974, th reacter nede svitch was placed in. the SiEWF-The re=ter ::=ined in. n hat st r.dby ccadi: ice HJP STtJDW positics tatil 0741, Jens 15, when the ecdc suitch was placed. in. Flu ar.d starttgr cctivities rese.xi following repair of the L=k.. During the pericd frca 00101 to 0741, Jena 15,1974, an IFJ4 heat. ba? anco was not perford-Subsequent evaluation of the plcnt cenditiens durirc this period-showed that an. IF;-1's were prcperly calibrated and would have. fulfilled their intended 5= tion..
The IFM heat balance procedure is presently being. revised to alleviate this inadequacy;.
Ycurs very truly,.
/
C. B. Larson Picnt Manager CEVrca J F'O' Leary,. Directorato of Licensing ec:
G:Charrcff Mfratesota Pollution Control Agency.
Attra. H A Pryh Pilo-Copics sent by teleccoier to rcppler and O' Leary; 9102140366 740A17 CF ADDCK 050;J263 CF