ENS 57072
ENS Event | |
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04:00 Feb 22, 2024 | |
Title | Part 21 - Leaking Cylinder Liner in Emergency Diesel Generator |
Event Description | The following is a summary of the information provided by Engine Systems Inc. (ESI) via facsimile:
An EMD (Brand Name: Electro-Motive Diesel) cylinder liner developed a jacket water leak following installation on an emergency diesel generator set at the James A. Fitzpatrick Nuclear Power Plant. The leak occurred at a brazed joint and was detected after post-installation engine testing. Had the leak gone undetected, jacket water may have accumulated in the combustion chamber, airbox, and/or lubricating oil which could have eventually led to failure of the emergency diesel generator set. ESI was the supplier of the EMD cylinder liner (part number: 9318833, serial number: 20D6294). The EMD cylinder was a component of a Blade Power Pack Assembly, part number: 40124898, serial number: 20L0603 Corrective Actions: ESI will revise the dedication package to include additional verifications to prevent reoccurrence. The revision will be implemented within 30 days. Fitzpatrick returned the power assembly to ESI for replacement and no further action is required from Fitzpatrick. Affected Plants: Fitzpatrick. No other sites known to be affected. The name and address of the individuals reporting this information is: John Kriesel Engineering Manager Engine Systems, Inc.; 175 Freight Rd. Rocky Mount, NC 27804 Dan Roberts Quality Manager Engine Systems, Inc.; 175 Freight Rd. Rocky Mount, NC 27804 |
Where | |
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Fitzpatrick Nps Oswego, New York (NRC Region 1) | |
Organization: | Engine Systems, Inc |
Reporting | |
10 CFR 21.21(d)(3)(i), Failure to Comply or Defect | |
Time - Person (Reporting Time:+1208.82 h50.368 days <br />7.195 weeks <br />1.656 months <br />) | |
Opened: | Dan Roberts 11:49 Apr 12, 2024 |
NRC Officer: | Ernest West |
Last Updated: | Apr 12, 2024 |
57072 - NRC Website
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WEEKMONTHYEARENS 571172024-02-22T04:00:00022 February 2024 04:00:00
[Table view]10 CFR 21.21(d)(3)(i), Failure to Comply or Defect Part 21 - Emergency Diesel Generator Cylinder Liner Leak ENS 570722024-02-22T04:00:00022 February 2024 04:00:00 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect Part 21 - Leaking Cylinder Liner in Emergency Diesel Generator ENS 483532012-09-27T16:12:00027 September 2012 16:12:00 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect Part-21 Report - Faulty Master Trip Units, Slave Units, and Resistance Temperature Detectors 2024-02-22T04:00:00 | |