05000316/LER-1979-026-03, While Reviewing Axial Power Distribution Monitoring Sys,Two Occasions Were Discovered in Which Only One Detector Scan Was Printed Out. Cause Undetermined.Investigation Closed

While Reviewing Axial Power Distribution Monitoring Sys,Two Occasions Were Discovered in Which Only One Detector Scan Was Printed Out. Cause Undetermined.Investigation Closed

ML17331A409
Person / Time
Site:	Cook
Issue date:	07/29/1980
From:	Rischling J INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17331A407	List: 05000316/LER-1979-026-03, While Reviewing Axial Power Distribution Monitoring Sys,Two Occasions Were Discovered in Which Only One Detector Scan Was Printed Out. Cause Undetermined.Investigation Closed 05000316/LER-1980-028, Forwards LER 80-028/03L-0 & Updated LER 79-026/03X-1 05000316/LER-1980-028-03, /03L-0:on 800709,testing of Motor Driven Auxiliary Feedwater Pump During Blackout Conditions Showed Two Safety Injection Relay Timers Exceeded Tech Spec Allowed Tolerance.Caused by Instrument Drift
References
LER-79-026-03X, LER-79-26-3X, NUDOCS 8008040097
Download: ML17331A409 (1)

LER-1979-026, While Reviewing Axial Power Distribution Monitoring Sys,Two Occasions Were Discovered in Which Only One Detector Scan Was Printed Out. Cause Undetermined.Investigation Closed

Event date:
Report date:
3161979026R03 - NRC Website

text

NRC FORM 366 (7 77]

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AS DISCOVERED THAT ON TWO OCCASSIONS,

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