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Southern Nuclear Company made this notific … Southern Nuclear Company made this notification of a potential defect in components received by its Edwin I. Hatch Nuclear Plant. The potential defect may exist in ninety-six (96) subject components: ninety-four (94) General Electric Hitachi (GEH) CR120A relays and two (2) GEH CR120A relay coils. </br>The wire clamps supplied with these relays and relay coils may be susceptible to cracking. The wire clamps serve to secure the wire connections to the relays and relay coils. Currently there are thirty-seven (37) CR120A relays and one (1) CR120A relay coil installed. The components not currently installed have been placed on hold.</br>The licensee has followed the recommendations of GEH by visually inspecting all installed components for cracks. No cracks were found.</br>The licensee will replace the clamps on one subject relay installed in the Main Control Room Environmental Control System. The clamps on the components installed in the Source Range Monitoring and Intermediate Range Monitoring instruments show no signs of cracking will be left installed as is. Replacement wire clamps will be ordered from GEH. The licensee plans to replace the clamps on the other stock components. the clamps on the other stock components. +
04:00:00, 19 March 2008 +
44,201 +
10:30:00, 12 May 2008 +
04:00:00, 19 March 2008 +
Southern Nuclear Company made this notific … Southern Nuclear Company made this notification of a potential defect in components received by its Edwin I. Hatch Nuclear Plant. The potential defect may exist in ninety-six (96) subject components: ninety-four (94) General Electric Hitachi (GEH) CR120A relays and two (2) GEH CR120A relay coils. </br>The wire clamps supplied with these relays and relay coils may be susceptible to cracking. The wire clamps serve to secure the wire connections to the relays and relay coils. Currently there are thirty-seven (37) CR120A relays and one (1) CR120A relay coil installed. The components not currently installed have been placed on hold.</br>The licensee has followed the recommendations of GEH by visually inspecting all installed components for cracks. No cracks were found.</br>The licensee will replace the clamps on one subject relay installed in the Main Control Room Environmental Control System. The clamps on the components installed in the Source Range Monitoring and Intermediate Range Monitoring instruments show no signs of cracking will be left installed as is. Replacement wire clamps will be ordered from GEH. The licensee plans to replace the clamps on the other stock components. the clamps on the other stock components. +
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00:00:00, 12 May 2008 +
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54.271 d (1,302.5 hours, 7.753 weeks, 1.784 months) +
04:00:00, 19 March 2008 +
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