Part 21 Report - 1998-171
ACCESSION #: 9802230217
Illinois Power Company
Clinton Power Station
P.O. Box 678
Clinton, IL 61727
Tel 217 935-5623
Fax 217 935-4632
Walter G. MacFarland IV
Chief Nuclear Officer
ILLINOIS
POWER U-602932
4F.140
An Illinova Company
February 13, 1998
Docket No. 40-561
Document Control Desk
Nuclear Regulatory Commission
Washington, D. C. 20555
Subject: Interim 10CFR21 Report 21-97-059: Refurbished Circuit Breakers
Returned From Nuclear Logistics Incorporated with Various
Discrepancies
Dear Madam or Sir:
On December 19, 1997, a Condition Report was initiated to
investigate several discrepancies found during receipt inspection of
three safety-related Westinghouse DHP circuit breakers. These circuit
breakers had been sent to Nuclear Logistics Incorporated (NLI) for
refurbishment. Examples of discrepancies include: Loose nut on puffer
diaphragm, trip latch clearance out of specification, main contact
clearance out of specification, and main contact separation out of
specification. Illinois Power initially decided to attempt to resolve
these discrepancies under the Maintenance Work Request Program. However,
once work had started, Illinois Power personnel determined that the
discrepancies were more complicated than originally thought and
discontinued work on investigating and correcting the discrepancies. The
circuit breakers were subsequently returned to NLI to resolve the
identified discrepancies. NLI is also assisting with the determination
of the impact of the identified discrepancies and the reportability
determination under 10CFR21.
Illinois Power is still evaluating these conditions under 10CFR21
and has not yet determined if the identified discrepancies are
reportable. Illinois Power will complete the evaluation of this issue by
April 15, 1998.
Additional information about this issue may be obtained by
contacting F. D. Chenoweth, Nuclear Station Engineering Department, (217)
935-8881 extension 3658.
Sincerely yours,
Walter G. MacFarland, IV
Chief Nuclear Officer
U-602932
Page 2
MRS/krk
cc: NRC Clinton Licensing Project Manager
NRC Resident Office, V-690
Regional Administrator, Region III, USNRC
Illinois Department of Nuclear Safety
INPO Records Center
Nuclear Logistics Incorporated
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