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Forwards LER 79-007/03L-0,LER 79-008/03L-0,LER 79-009/03L-0, LER 79-010/03L-0, & 79-011/03L-0.

Accession Number: ML19283B767

Date Released: Thursday, October 24, 2019

Package Contents

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• ML19283B766 - Forwards LER 79-007/03L-0,LER 79-008/03L-0,LER 79-009/03L-0, LER 79-010/03L-0, & 79-011/03L-0. (1 page(s), 3/14/1979)
• ML19283B770 - LER 79-007/03L-0 on 790212:during review of surveillance test data,noted that RCS leakage test (FNP-1-STP-9.0) had not been done within time specified.Caused by personnel failure.Supervisors instructed re matter. (1 page(s), 3/14/1979)
• ML19283B771 - LER 79-008/03L-0 on 790216:during review of surveillance test FNP-1-STP-15.0,containment main personnel & emergency air leak outer doors failed to meet acceptance criteria. Leakage probably caused by dirty door seals &/or seal set. (3 page(s), 3/14/1979)
• ML19283B774 - LER 79-009/03L-0 on 790216:during plant startup w/reactor & steam generator controls manual & steam dumps in automatic, steam dumps occurred.Temp average reduced to 538 F.Personnel reinstructed. (1 page(s), 3/14/1979)
• ML19283B775 - LER 79-010/03L-0 on 790218:while doing FNP-1-STP-215.1B, steam flow/feed flow bistable (FB478A)failed to meet Table 2-1 trip setpoint valve.Caused by bistable setpoint drift below that specified in surveillance test.Bistable adjusted. (1 page(s), 3/14/1979)
• ML19283B776 - LER 79-011/03L-0 on 790221:while doing FNP-1-STP-28.7,LOSP B1F Sequencer failed to meet time requirement for picking up Step 6.Caused by agastat timer setpoint drift.Agastat timer adjusted & satisfactorily retested. (1 page(s), 3/14/1979)