|
|---|
Category:NRC Preliminary Notification of Event/Occurrence
MONTHYEARPNO-IV-21-001A, Update - Callaway Restart Following Plant Automatic Reactor Trip Due to Main Generator Fault and Shutdown Greater than 72 Hours2021-08-20020 August 2021
PNO-IV-21-001A Update - Callaway Restart Following Plant Automatic Reactor Trip Due to Main Generator Fault and Shutdown Greater than 72 Hours
PNO-IV-21-001, Update - Callawy Plant Automatic Reactor Trip Due to Main Generator Fault, and Shutdown Greater than 72 Hours2021-01-19019 January 2021
PNO-IV-21-001: Update - Callawy Plant Automatic Reactor Trip Due to Main Generator Fault, and Shutdown Greater than 72 Hours
ML15209A9192015-07-28028 July 2015
PNO-15-001-A Update - Callaway Plant Technical Specification Shutdown Due to Reactor Coolant System Leakage
ML15205A3712015-07-24024 July 2015
PN-IV-15-001 Callaway Plant Technical Specification Shutdown Due to Reactor Coolant System Leakage
PNO-IV-11-007, Alert Declared at Callaway Plant2011-09-19019 September 2011
PNO-IV-11-007 Alert Declared at Callaway Plant
PNO-IV-09-002, A, Plant Shutdown and Subsequent Declaration of Unusual Event Associated with Main Generator Hydrogen Leakage, Update, 03/02/20092009-03-0202 March 2009
PNO-IV-09-002A, Plant Shutdown and Subsequent Declaration of Unusual Event Associated with Main Generator Hydrogen Leakage, Update, 03/02/2009
ML0905008172009-02-19019 February 2009
PNO-IV-09-002: Amerenue, Inc. (Callaway Plant) Plant Shutdown and Subsequent Declaration of Unusual Event Associated with Main Generator Hydrogen Leakage
PNO-IV-07-003, Union Electric Company (Callaway Plant), Callaway Alert Declaration Due to a Suspected Transformer Fire, 04/05/20072007-04-0505 April 2007
PNO-IV-07-003 Union Electric Company (Callaway Plant), Callaway Alert Declaration Due to a Suspected Transformer Fire, 04/05/2007
PNO-IV-05-007, Union Electric Company, Callaway Plant, Technical Specification Required Plant Shutdown2005-03-29029 March 2005
PNO-IV-05-007, Union Electric Company, Callaway Plant, Technical Specification Required Plant Shutdown
PNO-IV-04-006, Callaway Plant, Callaway Plant Shutdown2004-02-0505 February 2004
PNO-IV-04-006: Callaway Plant, Callaway Plant Shutdown
PNO-IV-02-077, A - Union Electric Co., Update - Automatic Reactor Trip While Reducing Power Due to Condensate Pump Failure2002-12-19019 December 2002
PNO-IV-02-077A - Union Electric Co., Update - Automatic Reactor Trip While Reducing Power Due to Condensate Pump Failure
PNO-IV-02-007, A: Update Regarding Callaway Plant Augmented Inspection Team Evaluation of Auxiliary Feedwater System2002-02-0505 February 2002
PNO-IV-02-007A: Update Regarding Callaway Plant Augmented Inspection Team Evaluation of Auxiliary Feedwater System
2021-08-20
[Table view] |
September 19, 2011 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -- PNO-IV-11-007 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information is as initially received without verification or evaluation, and is basically all that is known by the Region IV staff on this date.
Facility Licensee Emergency Classification Union Electric Company _____Notification of Unusual Event Callaway Plant _XX Alert Fulton, Missouri, 65077 _____Site Area Emergency Docket: 50-483 _____General Emergency License: NPF-30 _____Not Applicable
SUBJECT:
ALERT DECLARED AT CALLAWAY PLANT DESCRIPTION:
Plant operators declared an ALERT at the Callaway Plant near Fulton, Missouri, at 10:56 a.m.
CDT, on September 18, 2011, as a result of a Freon gas leak from one of the site air conditioning units for the main control room. The leaking Freon gas temporarily prohibited safe personnel entry into a room containing essential electrical equipment. Cooling for the main control room was maintained by the redundant air conditioning unit.
At 5:37 p.m. CDT on September 18, 2011, after the room was confirmed accessible for plant operators, the licensee exited the ALERT.
The State of Missouri has been informed. This information has been discussed with licensee management and is current as of 8:30 a.m. CDT.
The plant continued to operate at 100% power throughout the event and there were no radiological releases due to this event. The resident inspector responded to the site to monitor site activities during the event.
This preliminary notification is issued for information only.
ADAMS ACCESSION NUMBER: ML112620137 CONTACTS: Lara Uselding Geoffrey Miller (817)917-0321 (817) 917-1212 lara.uselding@nrc.gov Geoffrey.Miller@nrc.gov
