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-110/40 Amdt 2 Flap Control Switch 8/89 Applicability: All EMB-110 aircraft serial number 110001 through 110467 inclusive. Requirement: Action in accordance with Embraer SB 110-027-0084 Revision 1. Note: Brazilian AD 88-09-01 Revision 1 also refers. Compliance: Prior to 2 November 1989. Background: Embraer have advised that chafing between the attaching screws of the flap control switch potentiometer and resistor R273 can cause inadvertent flap extension. Amendment 1 to this AD was issued to reflect an addition to the applicable part numbers in the Requirement documents. Amendment 2 to this Directive is issued to amend the Requirement Document.