ML20084T932
| ML20084T932 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 08/11/1976 |
| From: | Fox H TENNESSEE VALLEY AUTHORITY |
| To: | Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| LER-BFRO-50-259-761, NUDOCS 8306240292 | |
| Download: ML20084T932 (2) | |
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7 8 57 58 69 60 61 68 69 74 75 80 EVtt4T DESCHIPTION BE l A raw service water tank level switch became stuck and prevented the start of a l
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$ l service water pump.
This. aused the tank to be drained below the minimum 1cvel l
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60 and renuired the startine
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[ N_j votatoN 7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION
@ l A Mercoid-type 251-CMP-S13Y-S11% level switch became stuck due to slight shifting l
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@ lof the operating mechanism. The mechanism was adjusted to prevent binding and the l
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DE lsvitch was 80 returned to service _
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Alarms received in control room l
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10 11 44 45 PERSONNEL EXPOSURES
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7 89 11 12 13 80 PERSONNEL INJURIES Nuunin otsCArroN H l0l OI Ol l N/A l
7 89 11 12 80 OFFSITE CONSEQUENCES
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August 1 1, 15776 3 73 4
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t Mr. Ilortan C. Hosoley, Director k
U.S. Huclear Regulatory Ccx:.:.dssion
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Region II 230 Peachtree street, tu., 8th Floor Atlanta, Geor ;ta 30303
Dear Mr. Moseley:
TETIESSES VALLEY AUTEORITY - B%h.7IS FERRY UUEU1 PIANT LRTIT 1 -
DOCKET NO. Sv-259 - ?ACILrff OJEP.ATIHG IIC12EE DPR REFORTABLE OCCURRCTCE R". 0RT BFRO-50-259/7612W The enclosed report is to provide detaila concerning a raw service water tank 1 cycl switch which becar.o stuck and prevented the start of a rau service water Iuap ana ia su'mitted in accordance with Appendix E to Regulatory Guide 1.16, Revision 4, Au wt lifl5. Ulis o
event occurred on Brovna deny nuclear Plant unit 1.
Verf truly yours, TEEfB3SE3 VALLEY AUIHORITY M. D. Fox Director of Fower Production Enclosure (3)
CC (Enclosure):
Director (3) e Office of ihnagement Infor::ation and Progra.a Control U.S. Nuclear Regulatory Cecnisalon Washington, D.C.
20555 Director (lKs)/
OITice of Inspection and Enforcement JEFILE COPY U.S. Nuclear Ro@ tory Coa: mission Washington, D.C.
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f'OPY SENT REGIO 8252 An Equal Opportunity Employer G
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