At 2251 EDT on 8/21/2016, the 'A' Train of Control Room ventilation was
inoperable for scheduled testing and the 'B' Train of Control Room ventilation was declared
inoperable due to a thermal overload of a cooling fan. This resulted in not meeting the limiting condition for operation in accordance with
Technical Specification 3.7.6. No action statement exists for having two trains of Control Room Ventilation
inoperable and
Technical Specification 3.0.3 was applied. At 2255 on 8/21/2016 the 'A' Train of Control Room Ventilation was declared
operable and
Technical Specification 3.0.3 was exited.
The licensee notified the NRC Resident Inspector.
- * * UPDATE AT 1355 EDT ON 09/08/16 FROM CHUCK YARLEY TO S. SANDIN * * *
Event notification 52192 is being retracted. Upon further evaluation, Harris determined that the 'A' train of Control Room Emergency Filtration was Operable at the time 'B' train became Inoperable. Therefore, there was no loss of safety function.
The NRC Resident Inspector has been informed of this retraction.
Notified R2DO (Rose).
