05000316/LER-1985-019-01, :on 850821,determined That Seismic Qualification of Governors for turbine-driven Auxiliary Feed Pumps Inadequate for Approx 4 Yrs.Cause Not Stated.Governors as Installed Meet Current Seismic Requirements

:on 850821,determined That Seismic Qualification of Governors for turbine-driven Auxiliary Feed Pumps Inadequate for Approx 4 Yrs.Cause Not Stated.Governors as Installed Meet Current Seismic Requirements

ML20135J032
Person / Time
Site:	Cook
Issue date:	09/19/1985
From:	Blind A INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
Shared Package
ML20135J018	List: 05000316/LER-1985-018-01, :on 850820,ESF Actuation Occurred.Caused by Opening of Reactor Trip Breakers During Instrumentation Checks.Surveillance Test Procedure Thp 4030 STP.180 Revised 05000316/LER-1985-019-01, :on 850821,determined That Seismic Qualification of Governors for turbine-driven Auxiliary Feed Pumps Inadequate for Approx 4 Yrs.Cause Not Stated.Governors as Installed Meet Current Seismic Requirements ML20135J017
References
REF-PT21-85 LER-85-019-01, LER-85-19-1, NUDOCS 8509250152
Download: ML20135J032 (1)

LER-1985-019, on 850821,determined That Seismic Qualification of Governors for turbine-driven Auxiliary Feed Pumps Inadequate for Approx 4 Yrs.Cause Not Stated.Governors as Installed Meet Current Seismic Requirements

Event date:
Report date:
3161985019R01 - NRC Website

text

e NRC Form 300 U $ NUCLE AR KEGULATOAV COMMI5EeON APPROW ED oms NO 3tEO-4104

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LICENSEE EVENT REPORT (LER)

PAM $1 FACILITY NAME til DOC K E T NUMS E R 821 D.C. COOK NUCLEAR PLANT, UNIT 2 o l5l0l0lol 31116 1 loFl011 aat,s, SEISMIC QUALIFICATIONS OF TURBINE DRIVEN AUXILIARY FEEDWATER PUMP GOVERNOR EVENT DATE (El LER NUMSER ist REPORT DATE 171 OTHER F ACILITIES INVOLVED (81 MONTM DAY YEAR YEAR

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QJ AUGUST 21,1985, AT 1110 HOURS WITH UNIT 1 IN MCDE 5 (COID SIKTIDOWN) AND UNIT 2 AT 30 PERCENT RFJCIOR 71ERMAL POKER, IT WAS DErrEININED 11IAT FOR A PERIOD OF APPROXIMATELY 4 YIARS, TIE SEISMIC QUALIFICATION OF TIE GOVERNORS FOR THE TURBINE DRIVEN AUXILIARY FEED PUMPS (TDAFP) HAD BEEN INADEQUATE.

INVESTIGATION REVEALED THAT 11E WOODWARD GOVERNOR CCNPANY CORACTED THE TERRY CORPORATION (IDAFP MANUFACIURER) ON JUNE 4,1981, WITH REGARD TO 'IYE INABILITY TO PROVIDE SEISMIC ANALYSIS DOCUMEtEATION FOR THESE PG-PL GOVERNORS (TFTP/SC). ON MAY 31,1985,11E PLANT WAS IMrimu BY TIE TERRY CDRPORATION OF A POTEtCIAL LACK OF ADEQUATE SEISMIC QUALIFICATION FOR TIE NOODWARD GOVERNORS FURNISHED WITH 7DAFPs.

TIIIS COic<tsONDENCE ALSO OFFERED TIE RESULTS OF A SEISMIC QUALIFICATION PROGRAM SPECIFICALLY CONDUCTED 'IO VERIFY 111AT 11E GOVERNORS SATISFY ALL LICHJSING REQUIREMEtES.

A REVIEW OF TIE QUALIFICATIO DOCUMENTATIOJ AND CURRENT IEEE STANDARDS NO. 323, 344, AND 627 NAS COMPLETED ON AUGUST 16, 1985. IIIIS REVIEN CONCLUDED THAT:

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ADEQUATE QUALIFICATION DOCUMENTATION FOR TIE GOVERNORS DID ICT EXIST FUR A PERIOD OF APPROXIMATELY 4 YEARS, 2) 'IEE GOVERNORS AS INSTAum MEET CURRENT SEISMIC REQUIREMENTS, AND 3) TIE CONDITION IS ALSO IEPORTABLE UIEER 10 CFR PATE 21.

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