ML19259B336

LER 78-057/03L-0 on 781230:while Operating in Full Flow Test,Hpci Tripped.Investigation Revealed Low Level in Oil Sump & Overflow Pit Around Turbine Filled W/Oil.Caused by Disconnected Fitting for Discharge Pressure Gage Oil Pump

ML19259B336
Person / Time
Site:	Pilgrim
Issue date:	01/22/1979
From:	Mathis C BOSTON EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19259B334	List: ML19259B333 ML19259B336
References
LER-78-057-03L, LER-78-57-3L, NUDOCS 7901260185
Download: ML19259B336 (1)

Text

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3[n] l L l@l 0l 5 0OOCKET t,0 61 l - lNUN 0 '3El 2H l 913 l@lw1 l 213 t.H l 0 l 7 l 8 )@l 750 l 1REPORT EVENT DATE 74 l 2 DAT 2lE 7 9l@ 80 EVENT DESCRIPTION AND PROBAULE CONSEQJENCES h lo l 2 l l On December 30, 1978, while operating in full flow test to stir up the condensate I o 3 l storage tanks' sediment, the HPCI tripped. Immediate investigation revealed a low l o 4 l1evel in the oil sump and the overflot. pit around the tur'oine filled with oil. The 1 o 5 [ HPCI was declared INOP and operability of backup systems was demonstrated immediately l lO"lol las required by T.S. 4.5.c.2 Public Health and Safety were not affected. l 10171 1 I I O la l I CODE C0DE Su'eCOD E COMPONENT CODE SU8C DE SU E lolol 7 8 IS I vl@ I nl@ l a l@ lv 9 10 11 12 IJ 1 in le Ix lx l@ lA l@ l Zl@

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_ SEQUENTI AL OCCURRENCE REPORT REVISION LER RO EVENT YE AR REPORT NO. CODE TYPE N O.

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40 41 di 43 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 47 lil0ll Maintenance Personnel discovered the fitting for the discharge pressure gage on the j ii jij latttched oil pump was disconnected. The fitting was reconnected and surveillance I

,, ,,,l8.5.4.1 (HPCI Pump Operability and Flow Rate Test at 1000 PSIG) was completed satis- l

, 3 l factorily and the HPCI was returned to service. l l' ld i l I 7 8 9 80 ST S  % POWER OTHER STATUS ISCO RY DISCOVERY DESCRIPTION i 5 dl@ l1l0l0l@l N.A. l lAl@l Operational Event l ACTIVITY CO TENT RELEASED OF RELE ASE AVOUNT Of ACTIVITY LOCATION OF RELEASE l t l68 l9l Zl @ l30Z l@l N.A. l l N.A. l 7 11 44 45 80 PERSONNEL f XPOSURES NUMOFR TYPE DESCHIPTION i 7 l0 0 l 0l@l Zl@l N.A. l

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NAME OF PRE' PARER PHONE: