l numbers 5001 - 5545. This or a similar change will be installed during production on serial numbers 5546 and subsequent. Mx. Notes: ASC 105. P/CM at 3708.6 Hours and 816 Landings on 6/28/2013 Description Effectivity ATA Status C/W Source Work Order Cert No 34 CAN CAN 34 OPT CM Oak