COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Embraer EMB-110 (Bandeirante) Series Aeroplanes AD/EMB-110/34 Amdt 1 Elevator Control Rods - Inspection and Replacement 4/85 Applicability: All model EMB-110 with S/Nos 110001 to 110322, 110324 to 110341, 110343, 110345 to 110350, 110353, 110354, 110356 to 110358, 110360 to 110362, 110364 to 110366, 110375 and 110376 which have not been modified according to either SB 110-27-056 or SB 110-55-022. Requirement: Embraer SB 110-27-076. Note: Brazilian AD85-01-02 refers. Compliance: Within 50 hours time in service after 7 February 1985 or 10 days after 7 February 1985, whichever occurs first and thereafter at intervals not exceeding 125 hours time in service or one month, whichever occurs first until Part II is accomplished. Part II: within 500 hours time in service after 30 April 1985 or 3 months whichever occurs first. Background: The manufacturer reports instances of corrosion on the elevator control rod tube.