Home > NRC Library > Document Collections > Event and Status Reports > Part 21 Reports > 1995 > 1995-09-0
ACCESSION #: 9503020105 Victoreen, Inc. VICTOREEN Document Control Desk, U.S. Nuclear Regulatory Commission, Washington, DC 20555 Subject: This notification and corrective action is for information only as it only effects a utility out side the United States. Notification to NRC by Fax. (301) 492-8187 Reference: 1. 10CFR21 Section 21.3 (4) 2. Attached Westronics letter of Jan. 30, 1995 Date of notification: February 17, 1995 Individual notifying Commission: Linda S Morin Corporate Manager Regulatory Affairs & Quality Assurance Andy Lasko Sr. Project Engineer Name and address of company notifying the Commission: Victoreen Inc. 6000 Cochran Road Cleveland, Ohio 44139-3395 (216) 248-9300 Facility containing the defect: Kori/Wolsung Korea Electric Power Corp. Yondong P.O. Box 40 167 Samsong-Dong, Kangnam-Ku Seoul Korea Date on which the condition was identified: February 07, 1995 6000 Cochran Road Cleveland, Ohio 44139-3395 (216) 248-9300 FAX (216) 248-9301 DATA (216) 248-9043 Nature of the condition: Victoreen received a part 21 notification in writing from Westronics P.O Box 4500 22001 North Park Drive Humble, Texas 77347-4500 that some nonconforming diodes may have been used in safety related spare parts supplied to Victoreen on purchase order 49883, quantity 15. Potential Customers/Utilities Affected: Kori/Wolsung Korea Electric Power Corp. Yondong P.O. Box 40 167 Samsong-Dong, Kangnam-Ku Seoul Korea General Description: Victoreen received 15 printed circuit boards from Westronics for Vico sales order 58047. The material, an analog input circuit board, is an internal part of the Victoreen P/N 13-75 chart recorder provided on the above referenced contract. Three boards are used in each recorder. All 15 boards were supplied to the above referenced contract. Corrective Action: 1. The customer has been notified by letter. 2. Replacement boards have been requested from Westronics. 3. Victoreen field service staff will be at the above referenced utility the first quarter of 1995. During the site visit an inspection will be performed to determine if nonconforming components exits. In the event this is confirmed, replacement boards will be installed. Linda S Morin Corporate Manager Regulatory Affairs & Quality Assurance Westronics A subsidiary of Thermo Instrument Systems Inc. THIS IS A 10 CFR PART 21 NOTIFICATION January 30, 1995 Victoreen Inc 6000 Cochran Road Cleveland, OH 44139-3395 Attention: Quality Assurance Manager Subject: Spare parts supplied for Westronics chart recorder models S4N, D4N, T4N and 2100C. Westronics has discovered that the possibility exists that some nonconforming diodes may have been used in safety related spare parts provided for the above noted instruments. The offending parts are generic 6.3 V zener reference diodes 1N825 (Westronics part number SE01N825-00). These particular diodes are easily identified as they are flat black in color with a gray band. These diodes were mixed in with other diodes received from an electronics component distributor. An internal purge was performed in August of 1994 in our commercial production when the nonconforming diodes were discovered. All existing stock was purged because good and bad diodes were mixed together in stock. Westronics felt at the time that all of the bad components had been accounted for. However, recent service activity performed for GPU Nuclear Oyster Creek on some commercial recorders (D4E3) revealed that some nonconforming diodes had been dedicated from our commercial stock and supplied in safety related spare parts. The 1N825 diode is used to generate reference voltages in the signal conditioning circuits of the noted instruments. The nonconforming diodes are "noisy" and cause a drift in calibration of the host instrument. The diodes are found on the CB100124N02 and CB100124N04 signal input boards for the S4N, D4N and T4N series and the CB100243C01 ADC board for the 2100C series. Spare parts possibly containing the defective components have been supplied to you on the following purchase order: Customer PO: 49893 Westronics Part: CB100124N02 Lot: 0048910 Qty: 15 You may obtain replacements or return boards for repair by contacting Westronics Recorder Service department at 1-800-433-2184. Proper notification has been made to the NRC. For further information, please contact the undersigned at (713) 348-1780. Sincerely, Westronics Inc. Chris Kelly Quality Assurance Manager P.O. Box 4500 o 22001 North Park Drive o Humble, Texas 77347-4500 Phone: 713/348-1800 o Fax: 713/348-1288 *** END OF DOCUMENT ***
Page Last Reviewed/Updated Thursday, March 29, 2012
Home
About Us
Popular Documents
Stay Connected
