ML20084M077
| ML20084M077 | |
| Person / Time | |
|---|---|
| Site: | Turkey Point  |
| Issue date: | 07/14/1973 |
| From: | Schmidt A FLORIDA POWER & LIGHT CO. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML20084M072 | List: |
| References | |
| AO-4-73-8, NUDOCS 8306010247 | |
| Download: ML20084M077 (2) | |
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229P EDT JUL 14 73 AA105 AAE148(1624)(2-098619E195)PD 0 07/14/73 1624 ICS IPMBNGZ CSP O.
3852472556 TDBN MIAMI FL 141 07'-14 0424P EST PMS DIRECTOR, REGION II, FIELD OFFICE OF THE DIRECTORATE OF REGULATOR O Y OPERATIONS, ATOMIC ENERGY Cor11SSION, DLR SUITE 818 230 PEACHTREE ST NORTHWEST O ATLANTA GA 30304 FROM FLORIDA POWER AND LIGHT COMPANY TURKEY POINT PLANT, MIAMI O FLORIDA.
FLORIDA POWER AND LIGHT COMPANY TURKEY POINT PLANT REPORTS ABNORMAL O OCCURANCE #4-73-8. AT 905 PM, JULY 13, 1973, WHILE UNIT 4 WAS OPERATING AT APPROXIMATELY 200 MWE, A 25 KVA GROUNDING TRANSFORMER O ON THE 4B 4160 VOLT BUS FAILED, REGUIRING DE-ENERGIZING THE 4B BUS. THE UNIT WAS MANUALLY SHUTDOWN IN AN ORDERLY MANNER WITH 'O NO OTHER EQUIPMENT PROBLEMS. DE-ENERGIZING THE 4B BUS PLACED y.sm ou en O THE 4B AND 4C INTAKE COOLING WATER PUMPS OUT OF SERVICE, LEAVING Q
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0 ONLY THE 4A PUMP STILL OPERABLE. THE LOSS OF TWO INTAKE COOLING O WATER PUMPS VIOLATED THE LIMITING CONDITION OF OPERATION IN SECTION 3.4.5.B2, TECHNICAL SPECIFICATIONS: COOL DOWN OF UNIT O 4 HAS BEEN INITIATED. THE CAUSE OF THE TRANSFORMER FAILURE IS NOT PRESENTLY KNOWN BUT IS STILL UNDER INVESTIGATION. O A D SCHMIDT DIRECTOR OF POWER RESOURCES f1 i 'g r.im m s ,
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JUL 171973 Telegram from Florida Power and Light Company, A. D. Schmidt, dated July 14, 1973 - 50-251 DISTRIBUTION:
H (2) 7-h.D.Thornburg,RO HQ (5)
DR Central Files Regulatory Standards (3)
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