United States Nuclear Regulatory Commission - Protecting People and the Environment

#33535


  

CITRS Event Detail Report

Report Date: 14-Jan-1998

Source CITAS # Occurance Date Operatibility Location Methode Code Priority Reportable Originator System K2MIS #
SOR 98-E00354 1/14/98 4:48:00 PM CB NO NO Santini, Philip 480V

Event Description:

January 14, 1998
Indiana Point Unit No.2
Docket No. 50-247

Part 21 Notification - NL1 Breaker Overhaust Work

This report is being made per 10CFR21(d) (3)(i), Reporting of Defects and Noncompliance.

Several safety related 480V DB-50 breakers were sent to an approved 10CFR50 Appendix B qualified vendor for overhaul and were returned to Indian Point outside of the manufacturer's tolerances and not meeting the requirements of the Class "A" purchase order. The breakers may have malfuntioned when called upon to perform there safety related function. This condition was discovered before the breakers were installed in the plant.

A written report will be submitted as required by part 21.

Immediate Actions:

Assignor Assignee Assignment Status Due Date Last Updated Action
Santini, Philip DMRG, Daily Mgm Review Grp Review Event New 1/21/98 1/14/98

Event Summary:

Root Cause:
Santini, Philip SWS, Shift Watch Sup. Review Event New 1/14/98 1/14/98
Event Summary:
Root Cause:
Santini, Philip WE, Watch Fag. Review Event New 1/14/98 1/14/98
Event Summary:
Root Cause:

NLI:
Nuclear Logistic Inc.
7461 Airport Freeway
Ft. Worth Texas


LICENSEE: CONSOLIDATED EDISON CO. OF N.Y./NEW
SITE: INDIAN POINT 3 EN NUMBER: 34155
DOCKET: 05000286 EVENT DATE: 04-29-98
RX TYPE: PWR EVENT TIME: 10:30
VENDORS: W-4-LP NOTIFY DATE: 04-30-98
EMERGENCY CLASS: N/A REGION: 1 STATE: NY TIME: 15:39
OPS OFFICER: CHAUNCEY GOULD
10 CFR SECTION: CCCC 21.21 UNSPECIFIED PARAGRAPH
UNIT SCRAM CODE RX CRIT INIT PWR INITIAL MODE CURR PWR CURRENT MODE
3 N Y 100 POWER OPERATION 100 POWER OPERATION

PART 21 REPORT ON FAILURE OF 480 VAC BREAKER DUE TO LACK OF LUBRICATION.

AN ENGINEERING EVALUATION CONCLUDED THE WESTINGHOUSE TYPE DS-416 CIRCUIT BREAKER FAILED TO OPEN ON DEMAND BECAUSE LUBRICATION AT KEY PIVOT POINTS IN THE BREAKER MECHANISM WAS MISSING. THE LACK OF PROPER LUBRICATION WAS DETERMINED TO BE THE RESULT OF A BREAKER OVERHAUL PERFORMED BY POWER DISTRIBUTION TECHNOLOGY (PDT) WHICH REMOVED THE LUBRICANTS AND FAILED TO REAPPLY THEM. PDT HAD OVERHAULED THE FAILED BREAKER AND THREE OTHER TYPE DS-416 BREAKERS IN 1994 IN ACCORDANCE WITH THE LICENSEE'S PURCHASE ORDER WHICH CONTAINED SPECIFIC REQUIREMENTS RELATED TO LUBRICATION. THE LACK OF LUBRICATION ON THE BREAKERS OVERHAULED BY PDT, WHICH IS NO LONGER IN BUSINESS, COULD HAVE PREVENTED A BREAKER FROM PERFORMING ITS SAFETY FUNCTION, RESULTING IN A SUBSTANTIAL SAFETY HAZARD.

THE LICENSEE INFORMED THE NRC RESIDENT INSPECTOR.


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