ML20085J832

Telecopy Ro:On 740612,during Routine Surveillance Testing of Two Reactor High Pressure Scram Switches,Setpoints Found Above Tech Spec Limit.Cause Not Stated.Switches Reset

ML20085J832
Person / Time
Site:	Dresden
Issue date:	06/12/1974
From:	Stephenson B COMMONWEALTH EDISON CO.
To:	Oleary F US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20085J829	List: ML20085J827 ML20085J832
References
NUDOCS 8310190118
Download: ML20085J832 (1)

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WILL CONFIRA A CONVERSATION wITH F MAURA 0F YOUR OFFICE AT 1322 HOURS THIS DATE CONCERNING THE DISCOVERY DURING ROUTINE SURVEILLANCE TESTING OF 2 REACTOR HIGN PRESSURE SCRAM SWITCHES (PS- 3-26 3- 5 5 A & C) WITH SET POINTS AdOVE THE 106E PSIG VALVE ALLOWED Hy LIMITING SAFETY SYSTEM S E T T I N G R . 'd . A THE SWITCHES WERE FOUND TO CPERATE AT 1964 PSIG.AND 1066 PSIG RESPECTIVELLY AND WERE IMMEDIATELY RESET TO trae PSIG AND 1044 PSI G ADDI TI ONAL DETAILS ARE FORTHCOMING IN THE FORM OF A le-DAY LETTER IN ,

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