ENS 40699: Difference between revisions
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| event date = 04/21/2004 CDT | | event date = 04/21/2004 CDT | ||
| last update date = 01/12/2006 | | last update date = 01/12/2006 | ||
| title = Fairbanks Morse Engine Has Determined | | title = Fairbanks Morse Engine Has Determined a Potential Safety Hazard with the Woodward Digital Reference Unit (Dru) | ||
| event text = On April 21, 2004, Fairbanks Morse Engine evaluation determined a potential safety hazard exists for Woodward DRU's. The FM P/N is 12998236 and the Woodward P/N is 9903-439. | | event text = On April 21, 2004, Fairbanks Morse Engine evaluation determined a potential safety hazard exists for Woodward DRU's. The FM P/N is 12998236 and the Woodward P/N is 9903-439. | ||
The defect exhibits erratic ramp up of speed and hence the inability to reach rated RPM and inability to apply load to the engine. The cause has been traced to a random contamination problem of an integrated circuit (IC) in DRU's manufactured by Woodward between November 2000, and January 2002. | The defect exhibits erratic ramp up of speed and hence the inability to reach rated RPM and inability to apply load to the engine. The cause has been traced to a random contamination problem of an integrated circuit (IC) in DRU's manufactured by Woodward between November 2000, and January 2002. | ||
Latest revision as of 22:19, 1 March 2018
| Where | |
|---|---|
| Fairbanks Morse Engine Beloit, Wisconsin (NRC Region 3) | |
| Organization: | Fairbanks Morse Engine |
| Reporting | |
| 10 CFR 21.21 | |
| Time - Person (Reporting Time:+55.68 h2.32 days <br />0.331 weeks <br />0.0763 months <br />) | |
| Opened: | Todd Collins 12:41 Apr 23, 2004 |
| NRC Officer: | Chauncey Gould |
| Last Updated: | Jan 12, 2006 |
| 40699 - NRC Website | |