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Requests performance of review of control circuits of all safety-related equipment to assure that disabling of one component does not affect operability of other components per JCP&L 720420 & 1006 ROs for Oyster Creek facility.

Accession Number: ML19290A429

Date Released: Saturday, November 7, 2020

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• ML19290A428 - Requests performance of review of control circuits of all safety-related equipment to assure that disabling of one component does not affect operability of other components per JCP&L 720420 & 1006 ROs for Oyster Creek facility. (2 page(s), 3/7/1973)
• ML19290A431 - RO on 720411:supply dampers for reactor bldg ventilation sys failed to close during performance of routine weekly surveillance test of isolation of reactor bldg & initiation of standby gas treatment sys. (2 page(s), 4/20/1972)
• ML19290A432 - RO on 720926:A & B liquid control sys pumps inoperable at same time.Caused by interlock in starting circuitry preventing pump B from starting when pump A breaker is in racked out position.Operating procedures changed. (2 page(s), 10/6/1972)