ML20217K599

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Part 21 Interim Rept Re Fafnir S7K Bearing Discrepancies. Further Evaluation of Deviation Is Required & Will Be Completed by 971111
ML20217K599
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 08/11/1997
From: Terry C
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
REF-PT21-97 TXX-97170, NUDOCS 9708150316
Download: ML20217K599 (2)


Text

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Log # TXX-97170 P7 File # 10110

= .:-- Ref. # 10CfR21

T M#ELECTR/C" August 11. 1997 C. I.ance Terry Gnmp Ha Presidru -

U. S. Nuclear Regulatory Commission' Document Control Desk Washington, DC 20555

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)

DOCKET N05. 50-445 AND 50-446 FAFNIR BEARING DISCREPANCIES

.,- INTERIM 10CFR21 NOTIFICATION Gentlemen:

i Title 10 cf the Code of Federal Regulations. Part 21 (10CFR21) requires that licensees evaluate deviations and failures to comply. -and report those that could create a substantial safety hazard. Section 21(a)(2) of 10CFR21 requires an interim report if the required evaluation cannot be completed within 60 days. This letter is an interim report per 10CFR21.21(a)(2) regarding a deviation that TV Electric is evaluating for reportability per 10CFR21.

During refurbishment of a safety related Limitorque actuator, it was noted that the replacement bearings obtained from the warehouse did not rotate freely. Other sets of replacement bearings for this actuator obtained from the warehouse exhibited similar characteristics. TU Electric documented ,

this deviation on June 12. 1997. The bearings were manufactured by Fafn1r (Fafnir S7K Bearing RGP2559). These bearings had previously passed [d receipt inspection, but had not yet been installed in the plant.

TV Electric's evaluation to date has not identified a deviation which -f could create a substant161 safety hazard Further evaluation of this /g/cy deviation is required and the evaluation will be completed by November 1171/

1997.

9700150316 970811

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8te' 2 4E55ll54R1111 1500"8 P. O. Du 1002 Glen Rose Texas 76043

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TXX-97170 l

Page 2 of 2 As required by 10CFR21 TV Electric will notify the NRC if the evaluation concludes that this deviation could create a substantial safety hazard.

Sincerely, C. L. Terry By: --

O. R. Woodlan Docket Licensing Manager GLM/glm cc: Mr. E. W. Merschoff. Region IV Mr. J. I Tapia, Region IV Resident Inspectors, CPSES