05000325/LER-1979-008-03, /03L-0 on 790112:unacceptable Levels of Pump Differential Sys & Vibration Noted During Test of 1B Pump. Cause Unknown

/03L-0 on 790112:unacceptable Levels of Pump Differential Sys & Vibration Noted During Test of 1B Pump. Cause Unknown

ML19274D556
Person / Time
Site:	Brunswick
Issue date:	02/09/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19274D555	List: 05000325/LER-1979-008, Forwards LER 79-008/03L-0 05000325/LER-1979-008-03, /03L-0 on 790112:unacceptable Levels of Pump Differential Sys & Vibration Noted During Test of 1B Pump. Cause Unknown
References
LER-79-008-03L, LER-79-8-3L, NUDOCS 7902130101
Download: ML19274D556 (1)

LER-1979-008, /03L-0 on 790112:unacceptable Levels of Pump Differential Sys & Vibration Noted During Test of 1B Pump. Cause Unknown

Event date:
Report date:
3251979008R03 - NRC Website

text

(7 77)*

LICENSEE EVENT REPORT tONTROL BLOCK: l l

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60 61 DOCKE T NUMBER tw 69 EVENT DATE 14 75 '

3EPORT DATE 80 EVENT DESCRIPT'ON AND PROBABLE CONSEQUENCES h The RHR Services Water System Component Test (P.T.8.2.4), for the IB pump, revealed g

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l unacceptable levels of pump differential pressure (psid) and vibration. An acceptable g o

3 l pump differential pressure range is 257 to 294 (test reading 228 psid). A vibration l

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I reading of 9.4 mils was also recorded of f the pump with an allowable vibration limit l

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o is Iof up to 2.3 mils.

(Technical Specification 3.7.7.1).

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o The unit is now shut down for refueling and repairs to the pun,) have not yet begun. Al IiIil revision to this report will be submitted after pump repairs are completed and the I

lil2l l event cause and corrective actions have been determined.

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