COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Boeing 767 Series Aeroplanes AD/B767/44 Spoiler Wheel Command Unit 10/90 Applicability: Line no's 1 thru 243, 257, 262, 263, 269, 273 thru 275, 282, 285, 289 and 291. Requirement: Boeing SB 767-27-0085 R1 or later revision. Note: FAA AD 90-10-07 also refers. Compliance: Prior to 30 June 1992. Background: To prevent uncommanded extension of three flight spoilers.