```pascal
// Block Type: OB
// Block Number: 86
// Original Network Languages: LAD

ORGANIZATION_BLOCK "RACK_FLT"
{ S7_Optimized_Access := 'TRUE' }
VERSION : 0.1

VAR_TEMP
  OB86_EV_CLASS : Byte;
  OB86_FLT_ID : Byte;
  OB86_PRIORITY : Byte;
  OB86_OB_NUMBR : Byte;
  OB86_RESERVED_1 : Byte;
  OB86_RESERVED_2 : Byte;
  OB86_MDL_ADDR : Word;
  OB86_RACKS_FLTD : Array[0..31] of Bool;
  OB86_DATE_TIME : "Date_And_Time";
END_VAR

BEGIN

  // Network 1: Loss Of Rack Fault Memory (Original Language: LAD)
  //   PRIFIBUS DIAG RACK Fault Memory

  IF "M19511" THEN
    "M19511" := TRUE;
  END_IF;

END_ORGANIZATION_BLOCK

```