TM 1-1510-218-10 3C-62 Table 3C-15.  CDU Annunciations and Scratchpad Messages  (Continued) ANNUNCIATION / SP MESSAGE INITIATING CONDITION RESET MECHANISM LOCATION BLINKING NOT CLEARABLE CDU MSG ALERT 8.Enter an approach into     the     flight     plan when  an  approach  is already inserted. APPROACH IS ACTIVE Attempt to: 1.Delete  or  remove  the approach from the flight plan during execution (MAP is the active waypoint). 2.Modify  the  flight  plan course, approach parameters, or (before the    MAP    is    passed) the  sequencing  mode when   a   MAP   is   the active waypoint. 3.Insert a PPSN hold or insert    a    waypoint    at the active waypoint when  the  MAP  is  the active waypoint. Clear key. SP A ATTACH CIR AT? A circle pattern without a defined fix has been selected for insertion into the    FPLN    or    alternate flight plan. Clear key or valid insert. SP N ATTACH CRP AT? A  closed  random  pattern without  a  defined  fix  has been selected for insertion into the FPLN or alternate flight plan. Clear key or valid insert. SP N ATTACH FG8 AT? A figure 8 pattern without a   defined   fix   has   been selected for insertion into the    FPLN    or    alternate flight plan. Clear key or valid insert. SP N ATTACH HOLD AT? A hold has been selected for insertion into the flight plan. Clear key or valid insert. SP N Attach RTK AT? A racetrack pattern without  a  defined  fix  has been selected for insertion into the FPLN or alternate flight plan. Clear key or valid insert. SP N