1a Ballooned Drawing BALLOONED ENGINEERING DRAWING Document Version: 02 / Date: 11-08-2016 PART NUMBER / REVISION ECN PART NAME ECN EFFECTIVE DATE AAA29501AG1 none none 21.5 Touch Panel with LCD none Attach a scan of the ballooned drawing used to complete the PPAP submission. This can be either a Supplier or Otis approved drawing. The scan must be legible and true to size. Please see the Instruction tab for further instructions.