Regarding a Modification Implementation Error Adversely Impacting the Containment Cooling System
Person / Time
ML12144A195
Site:	Callaway
Issue date:	05/23/2012
From:	Diya F Ameren Missouri
To:	Office of Nuclear Reactor Regulation, Document Control Desk
References
ULNRC-05858 LER 12-001-00
Download: ML12144A195 (8)
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		Reporting criterion
05000483/LER-2012-001, Regarding a Modification Implementation Error Adversely Impacting the Containment Cooling System	Regarding a Modification Implementation Error Adversely Impacting the Containment Cooling System
05000483/LER-2012-002, Failure of 120-V Vital Instrument System Power Inverter NN14	Failure of 120-V Vital Instrument System Power Inverter NN14	10 CFR 50.73(a)(2)(iv)(A), System Actuation 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 10 CFR 50.73(a)(2)(v)(A), Loss of Safety Function - Shutdown the Reactor 10 CFR 50.73(a)(2)(v)(B), Loss of Safety Function - Remove Residual Heat 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(ii)(A), Seriously Degraded 10 CFR 50.73(a)(2)(iii) 10 CFR 50.73(a)(2)(i)(A), Completion of TS Shutdown 10 CFR 50.73(a)(2)(ix)(A), Prevented Safety Function in Multiple System 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B)

05000483/LER-2012-001, Regarding a Modification Implementation Error Adversely Impacting the Containment Cooling System