ENS 45317
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ENS Event | |
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18:45 Aug 31, 2009 | |
Title | Part 21 Report - Failure of a Spare Limitorque Actuator Motor |
Event Description | On July 31, 2009, [Crystal River Unit 3] personnel performed a video probe inspection of a spare safety-related Limitorque SB-3/SMB-3 actuator motor magnesium rotor and end rings. Visual indications were observed in the outboard end of the motor which were cause for rejection based on specified acceptance criteria. The specific indication was a cracked weld with dislodged metal in the outboard end of the motor.
In 2007, the spare safety-related Limitorque SB-3/SMB-3 actuator motor (Motor Serial Number 7497004-001T1AL: Limitorque Part No. R-403-F04-0821) was purchased as safety-related Quality level 1 (QL-1) from AREVA under Purchase Order No. 337566. Limitorque purchased the motor from the Baldor Electric Company, doing business as the Reliance Electric Company, as commercial grade and dedicated the motor to safety related. The above evaluation was completed on August 28, 2009. The FPC director/responsible officer was notified of the above determination on August 31, 2009. The vendor (Limitorque) and the NRC Senior Resident Inspector have been notified of FPC's intent to report this issue under 10CFR21.21. The NRC Resident Inspector has been notified. |
Where | |
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Crystal River Florida (NRC Region 2) | |
Reporting | |
10 CFR 21.21 | |
Time - Person (Reporting Time:+14.42 h0.601 days <br />0.0858 weeks <br />0.0198 months <br />) | |
Opened: | Joshua Morse 09:10 Sep 1, 2009 |
NRC Officer: | Dong Park |
Last Updated: | Sep 1, 2009 |
45317 - NRC Website
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Unit 3 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
WEEKMONTHYEARENS 453172009-08-31T18:45:00031 August 2009 18:45:00
[Table view]10 CFR 21.21 Part 21 Report - Failure of a Spare Limitorque Actuator Motor 2009-08-31T18:45:00 | |
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