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Part 21 Report - 1997-250

LICENSEE: ENERTECH SITE: ENERTECH EN NUMBER:31994 DOCKET: EVENT DATE: 03-21-97 RX TYPE: EVENT TIME: 00:00 VENDORS: NOTIFY DATE: 03-21-97 EMERGENCY CLASS: N/A REGION: 4 STATE: CA TIME: 17:40 OPS OFFICER: JOHN MacKINNON 10 CFR SECTION: CCCC 21.21 UNSPECIFIED PARAGRAPH POTENTIAL REPORTABLE DEFECT IN BW/IP ELECTRO-HYDRAULIC ACTUATORS (MODEL NUMBER 88500) TO PROPERLY OPERATE ON DEMAND AT THE MCGUIRE STATION. ENERTECH LOCATED AT 2950 BIRCH STREET, BREA, CA., SUBMITTED THE FOLLOWING INFORMATION VIA A FACSIMILE: "MCGUIRE IS PERFORMING A ROOT CAUSE INVESTIGATION AND IS COMMUNICATING WITH THE HYDRAULIC FLUID MANUFACTURER FOR ASSISTANCE. ENERTECH HAS PERSONNEL ON-SITE ASSISTING THE MCGUIRE PERSONNEL AND IS IN CONTACT WITH THE ACTUATOR MANUFACTURER. BW/IP (THE ACTUATOR MANUFACTURER) IS IN THE PROCESS OF EVALUATING THIS EVENT UNDER ITS 10 CFR PART 21 PROGRAM. IT IS SUSPECTED THAT THE HYDRAULIC FLUID TEMPERATURE INSIDE THE PLUNGER OF THE SOLENOID VALVE EXCEEDED THE MANUFACTURERS RECOMMENDATIONS FOR CONTINUOUS OPERATION AND AFFECTED THE PERFORMANCE OF THE ACTUATOR."

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