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Forwards LERs 81-071/03X-1,81-072/03X-1,81-073/03X-1 & 81-074/03X-1.

Accession Number: ML20010E823

Date Released: Friday, January 24, 2020

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• ML20010E822 - Forwards LERs 81-071/03X-1,81-072/03X-1,81-073/03X-1 & 81-074/03X-1. (1 page(s), 8/26/1981)
• ML20010E825 - LER 81-071/03X-1:on 810723,24 & 25,constant speed drive 22 breaker tripped from unidentified cause.Investigation underway.Constant speed drive 21 manually closed. (3 page(s), 8/21/1981)
• ML20010E826 - LER 81-072/03X-1:on 810723,discovered that logic A switch in position 1 did not function properly in mode blocks inhibit & not inhibited.Caused by failure of universal board 0156. Board replaced. (3 page(s), 8/21/1981)
• ML20010E828 - LER 81-073/03X-1:on 810724,operator noticed that battery charger 2C1 had tripped.Upon resetting,breaker tripped again.Caused by difference between battery voltage & battery charger voltage setting.Personnel instructed. (3 page(s), 8/21/1981)
• ML20010E829 - LER 81-074/03X-1:on 810725,temp average was less than required lower limit of 541 F during controlled rapid power reduction.Caused by operational transient.Temp average restored. (3 page(s), 8/21/1981)