COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Mitsubishi MU-2 Series Aeroplanes AD/MU-2/17 Amdt 4 Elevator Trim Tab Bracket - Inspection and Replacement 1/85 Applicability: All models MU-2B/-10/-15/-20/-25/-26: S/Nos. 005 through 347 (except S/Nos. 313,321). All models MU-2B-30/-35/-36: S/Nos. 501 through 696 (Except S/Nos. 652,661). All models MU-2B-25/-26/-26A/-40: S/Nos. 313SA/ 321SA, 348SA through 449SA. All models MU-2B-35/-36A/-60: S/Nos. 652SA, 661SA, 697SA through 1530 SA. Document: 1. Mitsubishi SB No. 176 Revision E, or 2. Mitsubishi Aircraft International SB No. SBO 31/27-005. Note: JCAB AD No. TCD-1001B-2-84 also refers. Compliance: Unless already accomplished, as detailed in the requirement document. Background: This Directive has been amended to include revised requirement document references.