ML19305E436: Difference between revisions

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m l 0 l 0 l 0 l OJ              l41 Y l@        l42N l@          [A_j@          lz  l9 19 19 4;l @
m l 0 l 0 l 0 l OJ              l41 Y l@        l42N l@          [A_j@          lz  l9 19 19 4;l @
f/                      40                                      43            44 cAUSE DESCH6 PHON AND CORRECTIVE ACTIONS h
f/                      40                                      43            44 cAUSE DESCH6 PHON AND CORRECTIVE ACTIONS h
[[j] l Cause was a refined calculation. Immediate corrective action on                                                                                                                                    I ilq l Unit 3 consisted of throttling steam line isolation valves (7st closedL                                                                                                                            I
((j] l Cause was a refined calculation. Immediate corrective action on                                                                                                                                    I ilq l Unit 3 consisted of throttling steam line isolation valves (7st closedL                                                                                                                            I
     @][ proving HPCI quick start capability and daily visual inspection of area                                                                                                                                l u [j l for st_egn__ leaks. Further analy_ sis allowed reopening of isolation valves -                                                                                                                      1  I gi,] l modifications will be made to achieve an acceptable safety factor.                                                                                                                                I a ,                                                                                                                                                                                        so t ti                      . roht it                          O T H E H a. i n i u'.              JIM f I li                                DiSCCVERY DESCRIPTION
     @][ proving HPCI quick start capability and daily visual inspection of area                                                                                                                                l u [j l for st_egn__ leaks. Further analy_ sis allowed reopening of isolation valves -                                                                                                                      1  I gi,] l modifications will be made to achieve an acceptable safety factor.                                                                                                                                I a ,                                                                                                                                                                                        so t ti                      . roht it                          O T H E H a. i n i u'.              JIM f I li                                DiSCCVERY DESCRIPTION
     '.ld {Jil@ [0 {,,0 l0 l@]U/3 - 1007. Power j
     '.ld {Jil@ [0 {,,0 l0 l@]U/3 - 1007. Power j

Latest revision as of 08:35, 16 March 2020

LER 80-008/01T-0:on 800417,while Performing Insp Requested by IE Bulletin 79-01B,discovered That Safety Factor Was Less than Acceptable.Caused by Refined Calculation.Unit 3 Isolation Valves Closed.Mods Will Be Made
ML19305E436
Person / Time
Site: Peach Bottom  Constellation icon.png
Issue date: 05/01/1980
From: Cooney M
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19305E435 List:
References
IEB-79-01B, IEB-79-1B, LER-80-008-01T-01, LER-80-8-1T-1, NUDOCS 8005120452
Download: ML19305E436 (1)


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