ML20072Q273

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Interim Potential Deficiency Rept Re Loose Locking Clips (Tinnerman Speed Nuts).Initially Reported on 830130.Vendor Procedure Received for Inspecting & Replacing Speed Nuts. B&W Evaluating Tinnerman Speed Nuts for Reportability
ML20072Q273
Person / Time
Site: Midland
Issue date: 03/30/1983
From: Jackie Cook
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
10CFR-050.55E, 10CFR-50.55E, 20739, 83-01-2, 83-1-2, NUDOCS 8304040515
Download: ML20072Q273 (3)


Text

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CORSum0IS POWar James W Cook Vice President - Projects, Engineering and Construction General Officos: 1945 West Perr all Road, Jackson. MI 49201 * (517) 78& o453 March 30, 1983 83-01 #2 Mr J G Keppler, Regional Administrator US Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen Ellyn, IL 60137 MIDLAND NUCLEAR C0 GENERATION PLANT DOCKET NOS 50-329 AND 50-330 POTENTIAL 50.55(e) ON LOOSE LOCKING CLIPS IN INSTRUMENT CABINETS FILE:

0.4.9.73 SERIAL: 20739

Reference:

1) J W Cook letter to J G Keppler, Same Subject, Serial 20685, dated January 30, 1983 This letter, as was Reference 1, is an interim report on the potential 50.55(e) condition concerning loose locking clips (Tinnerman Speed Nuts). We have received from the vendor a procedure for inspecting and replacing Tinnerman speed nuts. This procedure has been approved, and the inspection and required replacement will begin in the near future.

B&W is evaluating the nonconforming Tinnerman nuts found in the Midland equipment for reportability.

Another report, either interim or final, will be sent on or before June 30, 1983.

aW AA JWC/WRB/lr CC:

Document Control Desk, NRC Washington, DC RJCook, NRC Resident Inspector Midland Nuclear Plant 8304040515 830330 i

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Serial 20739 p'

83-01 #2 CC:

CBechhoefer, ASLB Panel FPCowan, ASLB Panel JHarbour, ASLB Panel AS&L' Appeal Panel MMCherry, Esq MSinclair

-BStamiris CRStephens, USNRC

~WDPaton, Esq, USNRC-FJKelley, Esq, Attorney General SHFreeman, Esq, Asst Attorney General WHMarshall GJMerritt, Esq, TNK&J INPO Records Center 1

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BCC: JLBacon, M-1085A RCBauman, P14-312B WRBird,_P14-418A FWBuckman, P14-ll3A NRC Corres File, P24-517 MLCurland, Midland MADietrich, Bechtel-Midland GREagle, CPCo Ann Arbor GFEwert, Midland WJFriedrich, Bechtel-Midland WDGreenwell, Bechtel Ann Arbor GSKeeley,.P14-113B HPleonard, Midland BWMarguglio/DJones, JSC-220A/206B DBMiller, Midland (3)

JAMooney, P14-115A MJSchaeffer, Midland' DATaggart, Midland RAWells, P14-113A DFJudd, B&W JAgar, B&W MEGibbs, IL&B FDField, Union Electric FCWilliams, IL&B Washington 1

PSteptoe, IL&B-Chicago OC0383-0030A-MP01