(SNAPREP) CE reported 3617 no1 end ceili(SNAPREP) CE reported 3617 no#1 end ceiling condensation. ~~~~~ 3617 (S PREP) CE reported no#1 end ceiling condensation.  3617 A/c filters replaced with the thicker type (KNS) filters & performed A/c pipe purging - Done.  Chan SW/Hanafi 43900