05000325/LER-1979-065-03, /03L-0:on 790916,HPCI Turbine Tripped & Could Not Be Reset.Caused by HPCI Pump Suction Pressure hi-low Trip Out of Calibr in Trip Direction.Instrument Recalibr & HPCI Sys Returned to Normal

/03L-0:on 790916,HPCI Turbine Tripped & Could Not Be Reset.Caused by HPCI Pump Suction Pressure hi-low Trip Out of Calibr in Trip Direction.Instrument Recalibr & HPCI Sys Returned to Normal

ML19253B425
Person / Time
Site:	Brunswick
Issue date:	10/11/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19253B421	List: 05000325/LER-1979-065, Forwards LER 79-065/03L-0 05000325/LER-1979-065-03, /03L-0:on 790916,HPCI Turbine Tripped & Could Not Be Reset.Caused by HPCI Pump Suction Pressure hi-low Trip Out of Calibr in Trip Direction.Instrument Recalibr & HPCI Sys Returned to Normal
References
LER-79-065-03L-01, LER-79-65-3L-1, NUDOCS 7910150534
Download: ML19253B425 (1)

LER-1979-065, /03L-0:on 790916,HPCI Turbine Tripped & Could Not Be Reset.Caused by HPCI Pump Suction Pressure hi-low Trip Out of Calibr in Trip Direction.Instrument Recalibr & HPCI Sys Returned to Normal

Event date:
Report date:
3251979065R03 - NRC Website

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LICENSEE EVENT REPORT CONTROL BLOCK l l

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l l lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6

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7 8 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE JO 57 CAT 58 CON'T E

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60 61 DOCKET NUMBER 68 63 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBASLE CONSEQUENCES h o

2 During normal plant operation, the operator noticed that the HPCI turbine had tripped 1 o 3 l and cou_d not be reset. The HPCI system was declared inoperable.

l o 4,j Technical Specifications 3.5.1, 6.9.1.9b l

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9 to 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LE EVENT YEAR REPORT NO.

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33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 1

o l An investigation showed that 1E41-PS:-N010. HPCI pump suction _ p-essure Hi/Lo trip, wasl 11 111 l out of calibration.in the trip direction.

1E41-PS-N010 was recalibrated and the HPCII i

2 I system returned to norual. A preventive ma'.ntenance item has recentiv been established i

3 l on this instrument to calibrate the instrument semiannually. This is considered an l gl isolated event and no further action is required.

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DISCOVERY DESCRIPTION l Cl@ l0 0 l3 l@l NA l

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8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY TYPE

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