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The following is a summary of the informat … The following is a summary of the information provided by Fairbanks Morse Engine via email:</br>Prairie Island Nuclear Generating Plant (PINGP) was conducting a planned replacement of emergency diesel generator air start solenoid valves when it discovered that the bottom stem appeared to be bent and observed air leakage. PINGP returned five valves to Fairbanks Morse, and they returned them to the manufacturer, ASCO. ASCO reassembled one valve and confirmed there was air leakage through the valve. The leakage path was from the air supply port to the exhaust port when the valve was in the de-energized normally open state. ASCO functionally tested the remaining four valves and found a second valve that also leaked.</br>ASCO and Fairbanks Morse have implemented corrective actions to address this issue. Fairbanks Morse will notify PINGP and Limerick Generating Station.</br>Affected plants with potentially defected parts: Prairie Island Nuclear Generating Plant and Limerick Generating Station.</br>Point of Contact:</br>Martin Kurr</br>Quality Assurance Manager</br>Fairbanks Morse</br>608-364-8247</br>Martin.Kurr@fmdefense.com</br>Fairbanks Morse Notification Report Number: 23-01ks Morse Notification Report Number: 23-01 +
06:00:00, 22 December 2023 +
56,992 +
20:47:00, 25 February 2024 +
06:00:00, 22 December 2023 +
The following is a summary of the informat … The following is a summary of the information provided by Fairbanks Morse Engine via email:</br>Prairie Island Nuclear Generating Plant (PINGP) was conducting a planned replacement of emergency diesel generator air start solenoid valves when it discovered that the bottom stem appeared to be bent and observed air leakage. PINGP returned five valves to Fairbanks Morse, and they returned them to the manufacturer, ASCO. ASCO reassembled one valve and confirmed there was air leakage through the valve. The leakage path was from the air supply port to the exhaust port when the valve was in the de-energized normally open state. ASCO functionally tested the remaining four valves and found a second valve that also leaked.</br>ASCO and Fairbanks Morse have implemented corrective actions to address this issue. Fairbanks Morse will notify PINGP and Limerick Generating Station.</br>Affected plants with potentially defected parts: Prairie Island Nuclear Generating Plant and Limerick Generating Station.</br>Point of Contact:</br>Martin Kurr</br>Quality Assurance Manager</br>Fairbanks Morse</br>608-364-8247</br>Martin.Kurr@fmdefense.com</br>Fairbanks Morse Notification Report Number: 23-01ks Morse Notification Report Number: 23-01 +
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00:00:00, 25 February 2024 +
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65.616 d (1,574.78 hours, 9.374 weeks, 2.157 months) +
06:00:00, 22 December 2023 +
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