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Issue date | Title | Topic | |
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ML20077K099 | 1 August 1991 | Ro:On 910731,control Rod Withdrew Beyond Upper Lattice Plate & Failed to Insert Upon Scram.Caused by Improper Alignment of Control Rod Position Indicator & Limit Switch Drive Train.Realigned Drive Train.No Damage to Equipment | |
ML20077M294 | 7 August 1991 | Suppls Ro:On 910731,safety Sys Component Failed Due to Excessive Wear to Brass Gears.Limit Switch Will Be Added to Rack That Raises Rod & Rod Drop Surveillance Check Procedure & Daily pre-start Check Procedures Will Be Modified |