Both channels 1 and 3 of the FWST (Refueling Water Storage Tank) level instrumentation failed high due to an apparent lightning strike. This placed Unit 2 in
Tech Spec 3.0.3 requiring Unit 2 to be in Mode 3 within
7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br />, Mode 4 within
13 hours1.50463e-4 days <br />0.00361 hours <br />2.149471e-5 weeks <br />4.9465e-6 months <br />, and Mode 5 within
37 hours4.282407e-4 days <br />0.0103 hours <br />6.117725e-5 weeks <br />1.40785e-5 months <br />.
The licensee will inform the NRC resident inspector.
- * * UPDATE ON 08/16/03 @ 1255 BY POETZSCH TO GOULD * * *
The licensee had its NOED approved to continue operation for up to 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> to repair the level channels. At 1115 the licensee halted power reduction @ 82%. They are now repairing both channels 1&3 and they should be completed within the next 3 hrs.
The NRC Resident Inspector was notified.
Notified Reg2 RDO (Ayres)
- * * UPDATE ON 089/16/03 @ 1432 BY POETZSCH TO GOULD * * *
The licensee has completed repair of channel 1 of the level instrumentation and returned it to service @ 1357, so as of this time they have exited the action statement. Channel 3 should be returned to service within one hour.
The NRC resident Inspector was informed.
Notified Reg 2 RDO (Ayres)
