Window) 23 20 Jun 2013 72 MOS 10 Apr 2013 31 May 2019' 52 Mos 237012 Cockpit Voice Recorder Underwater DK120 G550 AMM 3029.7 * Airframe MAN Locator Beacon - Battery Discard (DK120) SD17286 05.10.00 875 Mfg#: 23.72-11 Notes: [End of Month Item) 12 30 May 2008 72 MOS 24 Sep 2013 01 Aug 2019 55 Mos 262613 Portable Hal