ML20099K780

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Final Part 21 & Deficiency Rept Re Turbine Driven Auxiliary Feedwater Pump Governor Valve Stem Guide Bushings.Initially Reported 841017.Investigation Revealed That Defictive Parts Described by Terry Corp Installed at Facility
ML20099K780
Person / Time
Site: Wolf Creek Wolf Creek Nuclear Operating Corporation icon.png
Issue date: 11/16/1984
From: Koester G
KANSAS GAS & ELECTRIC CO.
To: Denise R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
REF-PT21-85-160-000 KLMNRC-84-197, KMLNRC-84-197, PT21-85-160, PT21-85-160-000, NUDOCS 8411290557
Download: ML20099K780 (1)


Text

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KANSAS GAS AND ELECTRIC COAfPANY T &W E L e CT f 4C COM6*ANY CLENN L MotSTER m m ..c. , m ...

l ovember 16, 1984 Mr. R.P. Denise, Director Wolf Creek Task Force {jj } j " , "; !t'.' )

U.S. Nuclear Regulatory Commission l ll i

Region IV 'j ld 611 Ryan Plaza Drive, Suite 1000 t] g b4+

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Arlington, Texas 76011 y f  !

j KMLNRC 84-197 Re Docket No. STN 50-482 Subj Final 10CFR50.55 (e) Report - Turbine Driven Auxiliary Feedwater Pump Governor Valve Guide Stem Bushing (53564-K156)

Dear Mr. Deniso:

This letter provides the final report submitted pursuant to 10CFR50.55(e) concerning turbine driven auxiliary feedwater pump (TDAFWP) governor valve stem guide bushings at Wolf Creek Generating Station (WCCS) . This matter was initially retorted by Mr. !!.K. Chernoff of Kansas Gas and Electric Company (KG&E)

Region IV, on October to Mr. Robert Smith of the Nuclear Regulatory Commission, 17, 1984.

This issue Corpo ra ti on,was originally identified as a 10 CFR Part 21 by the Terry The 10 CPR Part 21 notification described the possibility of a loose governor valve stem guide bushing present on the turbine driven auxiliary feedwater pump governor supplied by the Terry CorIoration. This closing, deficiency could have prevented the governor valve from completely potential startup. thus possibly resulting in an overspeed trip of the TDAFWP during An investigation of this matter by KG&E revealed that none of the defective parts described by the Terry Corporation were ever installed in t.he WCGS TDAFWP governor, llowever, a spare governor valve ntem guide bushing of the type de.4cribed had been delivered to WCCS as a spare part. The afore-mentioned part has been tagged out and segregated in the warehouse to pre-clude the part. any possibility of its installation prior to eventual scrapping of If you have any questions concerning this matter, please contact me or Mr. Otto Maynard of my staf f.

8411290557 841116 Yours very truly, PDR ADOCK 05000482 CLK bb yc:RCDeYoung PO'Connor (2) linundy n ,N r ...,- - ..x - .. - - ..: ,a ~. - , - ...,n ,- r n .:,,..C.c.,,,,, n , - , VO