ML19350F084
| ML19350F084 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 06/16/1981 |
| From: | Hovey G METROPOLITAN EDISON CO. |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| LL2-81-0167, RO-81-015-1P, RO-81-15-1P, NUDOCS 8106240189 | |
| Download: ML19350F084 (1) | |
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r Metropditan Edison Company M
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June 16, 1981 N
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Of fice of Inspection and Enforcement
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U. S. Nucleat Regulatory Commission l4,([.
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Dear Sir:
M bd Three Mile Island Nuclear Station, Unit II (TMI-f; I
!T.5 Operating License No. DPR-73 Docket No. 50-320
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. Licensee Event Report No. 81-IS/IP F
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This letter is to confirm the conversation between Mr. H. A. McGovern. Unit
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N.i ' II Shif t Foreman and Mr. T. A. Moslak, Radiation Specialist, TMI Program i
Office at 0415 hours0.0048 days <br />0.115 hours <br />6.861772e-4 weeks <br />1.579075e-4 months <br /> on June 13, 1981.
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A condition considered prompt reportable under Technical Specification
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, Ii.P 6.9 1.8(f) was entered at 0335 hours0.00388 days <br />0.0931 hours <br />5.539021e-4 weeks <br />1.274675e-4 months <br /> on June 13, 1981.
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At that time the Control Room Ventilation Monitor, HP-R-220 alarmed due to -
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a temperature inversion. The control room ventilation system failed to automatically switch to the recirculation mode. The control room D.
er-h, ventilation was manually shifted to recirculation and the problem investigated.
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The problem was determined to be in the interlocks key switch was in the I(
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- i defeat position, thus preventing any automatic actions.
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monitor being left in defeat is being investigated.
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ovey
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Director, TMI-2
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L. H. Barrett, Deputy Program Director
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