COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
British Aerospace BAe 3100 (Jetstream) Series Aeroplanes
AD/JETSTREAM/30 Electrical Power - Static Inverters 1/89
Jetstream 3100 series aircraft constructor numbers 601-695 inclusive fitted with Leland model ASH 674-3 and 674-33 static inverters, but excluding constructor numbers 647, 656, 659 and 667.
Action in accordance with BAe Jetstream ASB 24-A-JA880640.
Inverters that have exceeded 5000 hrs TIS but less than 10,000 hrs TIS are to be replaced before 26 May 1989;
Inverters that have exceeded 10,000 hrs TIS are to be replaced before 26 February 1989.
Refer also to Requirement document para D for amplification of compliance details.
Operators have reported in-flight incidents of inverter failure due to overheat and smoking of components.