(1) DOCUMENT CHANGE NOTICE (DCN): DCN No. E1000383-v1 (2) INFORMATION: DOCUMENT No. TITLE D1002210-v1: aLIGO TMS FLEXABLE SEC MIRROR MT. ASSY D1002211-v1: aLIGO TMS FLEXABLE SEC MIRROR MT. D1002237-v1: aLIGO TMS F2 MIRROR CLAMP D1002406-v1: aLIGO TMS FLEXABLE SEC MIRROR CLAMP RT. D1002407-v1: aLIGO TMS FLEXABLE SEC MIRROR CLAMP LT. (3) CHANGE DESCRIPTION (FROM / TO): Initial release. Assembly & part drawings of the Transmon Telescope Secondary Mirror Flexure Mount. (4) REASON FOR CHANGE: See (3). (5) SIGNATURES REQUESTED: Ken Mailand Dennis Coyne (6) DCN DISTRIBUTION: Ken Mailand Dennis Coyne (7) NOTES: