TM 1-1510-218-10   3C-75 Table 3C-15.  CDU Annunciations and Scratchpad Messages  (Continued) ANNUNCIATION / SP MESSAGE INITIATING CONDITION RESET MECHANISM LOCATION BLINKING NOT CLEARABLE CDU MSG ALERT PATTERN DEFINED Attempt  to  attach  a  hold or     pattern     at     a     point defined  to  be  a  pattern, attempt to insert an offset when  an  MFP  fix  is  the TO  waypoint,  or  attempt to  modify  the  pattern  fix when     the     pattern     has been inserted in the flight plan    or    alternate    flight plan. Clear key. SP A PATTERN NOT IN FPLN Attempt  to  enable  refuel pattern   when   pattern   is not in active flight plan. Clear key. SP N pca intercept The  intercept  solution  for the  active  waypoint  is  to the Point of Closest Approach. Clear key or non-PCA intercept solution becomes available. A N RAIM C HECK ACTIVE Attempt    to    enter    RAIM prediction data when automatic approach RAIM   point   check   is   in progress. Clear key or completion of point check. SP A RENUMBER FPLN Attempt to insert a waypoint    between    non- inserted   waypoint   in   the flight plan when the alphanumeric Z is already    in    use    at    the associated waypoint. Clear key. SP A rfl active Refuel pattern is currently being executed. Refuel pattern canceled. A N X RFL IS ACTIVE Attempting    to    delete    or modify   the   refuel   fix   or delete   MFP   attribute   or modify the flight plan course  or  insert  a  PPOS hold  or  insert  a  waypoint at    the    active    waypoint during pattern execution. Clear key. SP A