COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Schweizer (Hughes) 269 Series Helicopters AD/HU 269/104 Rudder Pedal Bulkhead Gusset 12/94 Applicability: Models 269A, A-1, B, and C. Requirement: Action in accordance with Schweizer SB B-247. Note: FAA AD 94-16-04 refers. Compliance: Within 100 hours time in service after 10 November 1994. Background: Tail rotor pedal gussets were not installed on 269A aircraft, and other aircraft have been found with the gussets cracked or with loose or missing rivets.