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RO 77-12/3L:on 770519,engineered safeguard pump MU-P-1A was removed from svc prior to testing operability of redundant pump.Caused by personnel error.Redundant pump tested satisfactorily on 770519.Forwards LER 77-12/03L.

Accession Number: ML19261F337

Date Released: Wednesday, October 2, 2019

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• ML19261F336 - RO 77-12/3L:on 770519,engineered safeguard pump MU-P-1A was removed from svc prior to testing operability of redundant pump.Caused by personnel error.Redundant pump tested satisfactorily on 770519.Forwards LER 77-12/03L. (3 page(s), 6/9/1977)
• ML19261F338 - LER 77-012/03L:on 770519,engineered safeguard pump MU-P-1A was removed from svc prior to testing redundant pump. Caused by personnel error.Redundant pump tested satisfactorily.Personnel instructed in procedures. (1 page(s), 6/17/1977)