Home > NRC Library > ADAMS Public Documents

Forwards LER#78-080/03L-0,LER#78-081/03L-0,LER#78-082/03L-0 & LER#78-083/03L-0.

Accession Number: ML17317A764

Date Released: Thursday, May 31, 2018

Package Contents

The following links on this page are to Adobe Portable Document Format (PDF) files. To obtain a free viewer for displaying this format, see our Plugins, Viewers, and Other Tools.

• ML17317A763 - Forwards LER#78-080/03L-0,LER#78-081/03L-0,LER#78-082/03L-0 & LER#78-083/03L-0. (4 page(s), 11/22/1978)
• ML17317A765 - LER#78-080/03L-0 on 781024:during test of solid st protec sys,train A,3 logic test positions tested unsatisfactorily. Caused by failure of a universal logic card & a test card. Both subsequently replaced. (2 page(s), 11/22/1978)
• ML17317A766 - LER#78-081/03L-0 on 781023:boron injection tank boron concentration found to exceed Tech Spec limit.Caused by either lack of effective mixing from a previous boric acid solution addition or by faulty sampling methods. (2 page(s), 11/22/1978)
• ML17317A767 - LER#78-082/03L-0 on 781025:during leak rate test on the 650 foot elevation airlock doors,noted that leakage rate exceeded acceptable limits.Caused by inadequate seal of outer door.Switch indicator subsequently readjusted. (3 page(s), 11/22/1978)
• ML17317A768 - LER#78-083/03L-0 on 781023:noted that cycling times for valve operability test after maintenance not recorded when valves stroked.Caused by defective document control for issuing changes to instructions. (2 page(s), 11/22/1978)