ML19340E480
| ML19340E480 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 12/24/1980 |
| From: | Hovey G METROPOLITAN EDISON CO. |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| ILL-690, RO-80-58-1P, NUDOCS 8101140650 | |
| Download: ML19340E480 (1) | |
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i 717 $2MCrM '948-8000 Writer's Direct Olal Number December 24, 1980 TLL 690 Office of Inspection and Enforcement Attn: Boyce H. Grier, Director Region I U. S. Nuclear Regulatory Comission 631 Park Avenue King of Prussia, Pennsylvania 19406
Dear Sir:
Three Mile Island Nuclear Station, Unit II (TMI-II)
Operating License No. DPR-73 Docket No. 50-320 Licensee Event Report No. 80-58/IP This letter is to confirm the conversation between Mr. M. R. Hamby, Unit IT Technical Specification Co:npliance Results Engineer and Mr. W. H. Barley, Radiation Specialist, TMI Program office at 1515 hours0.0175 days <br />0.421 hours <br />0.0025 weeks <br />5.764575e-4 months <br /> on December 23, 1980 It was determined at 1430 hours0.0166 days <br />0.397 hours <br />0.00236 weeks <br />5.44115e-4 months <br /> on December 23, 1980, that a condition considered reportabic under Technical Specificetion 6.9.1.8(b) had occurred on December 19, 1980.
At 0000 on December 19th, radiation monitor HPR-220 was placed in defeat due to an instrument malfunction. Th1s defeated the automatic actions required by Recovery Ops Plan 4.7.7.l(e) 2 in that a radiation signal would not place the Control Roo:a ventilation into recirculate.
The Control Room ventilation was placed into recirculate mode at 1645 hours0.019 days <br />0.457 hours <br />0.00272 weeks <br />6.259225e-4 months <br /> on December 19, 1980 and HPR-220 was repaired at 0120 hours0.00139 days <br />0.0333 hours <br />1.984127e-4 weeks <br />4.566e-5 months <br /> on i
December 20, 1980.
Further details will be included in the follow-up report.
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ovey ctor, TM 2 GKH/MRH/in ec:
L. H. Barrett 8101149 % o6 G-