05000416/FIN-2008003-02
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Finding | |
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Title | Failure to Recognize the Division Iii Diesel Generator Being NON-FUNCTIONAL |
Description | The inspectors reviewed a self-revealing Green noncited violation of Technical Specification 5.4.1(a) involving the failure to follow a system operating instruction. While shutting down the Division III diesel generator, operators failed to place the outside air fan in automatic alignment resulting in the Division III diesel generator being nonfunctional. On May 5, 2008, operators had shutdown the Division III diesel generator, but they failed to recognize that the outside air fan was not running when they depressed the shutdown pushbutton for the outside air fan per the system operating instruction. The licensee entered this issue into the corrective action program as Condition Report CR-GGN-2008-02265 The finding is more than minor since it affects configuration control attribute of the Mitigating System Cornerstone objective, in that it affected the availability, reliability and capability of an onsite power source that supplies a bus that provides power to mitigating systems that respond to initiating events to prevent undesirable consequences. Using the Manual Chapter 0609, Significance Determination Process, Phase 1 Worksheet, inspectors determined that the finding has very low safety significance (Green) since it did not represent a loss of a safety function that exceeded the Technical Specification allowed outage time. The cause of this finding has a crosscutting aspect in the area of human performance associated with work practices in that the operating crew did not use the proper human performance techniques of self checking while securing the outside air fan for the Division III diesel generator H.4(a) |
Site: | Grand Gulf ![]() |
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Report | IR 05000416/2008003 Section 1R19 |
Date counted | Jun 30, 2008 (2008Q2) |
Type: | NCV: Green |
cornerstone | Mitigating Systems |
Identified by: | Self-revealing |
Inspection Procedure: | IP 71111.19 |
Inspectors (proximate) | N O'Keefe P Elkmann R Smith A Barrett D Bollock G Guerra I Anchondo |
CCA | H.12, Avoid Complacency |
INPO aspect | QA.4 |
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Finding - Grand Gulf - IR 05000416/2008003 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Grand Gulf) @ 2008Q2
Self-Identified List (Grand Gulf)
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