05000416/FIN-2009005-01
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Finding | |
|---|---|
| Title | Licensee-Identified Violation |
| Description | Title 10 CFR Part 50, Appendix B, Criterion V, Instructions, Procedures and Drawings, states, in part, that activities affecting quality shall be prescribed by documented procedures and shall be accomplished in accordance with those procedures. Contrary to this, on October 31, 2009, a plant operator mispositioned the starting air filter petcocks to the open or vented position for both the Division I and Division II standby diesel generators. The safety-related procedure 02-1-S-35, Outside Rounds requires the draining of the left and right bank air start distribution filters for both standby diesel generators by opening and closing the air filter petcocks. The mispositioned petcocks were left in the vented condition for three weeks, before being discovered by an operator during weekly rounds. This issue was documented in the licensees corrective action program per CR GGN-2009-06186. This finding is of very low safety significance because it did not represent a loss of system safety function, did not represent the actual loss of safety function of a single train for greater than its technical specification allowed outage time, and did not screen as potentially risk significant due to a seismic, flooding, or severe weather initiating event. |
| Site: | Grand Gulf  |
|---|---|
| Report | IR 05000416/2009005 Section 4OA7 |
| Date counted | Dec 31, 2009 (2009Q4) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | Licensee-identified |
| Inspection Procedure: | |
| Inspectors (proximate) | L Carson R Smith A Barrett V Gaddy R Kumana |
| INPO aspect | |
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Finding - Grand Gulf - IR 05000416/2009005 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Grand Gulf) @ 2009Q4
Self-Identified List (Grand Gulf)
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