22 Airworthiness Directives: 18 airplane, 3 engine, 1 glider.
AD 91-15-20 · published Sep 3, 1991, effective Sep 3, 1991
Textron Aviation Inc. Airplanes
AD 91-16-08 · published Sep 6, 1991, effective Sep 6, 1991
The Boeing Company Airplanes
AD 91-15-21 · published Sep 9, 1991, effective Sep 9, 1991
The Boeing Company Airplanes
AD 91-15-22 · published Sep 9, 1991, effective Sep 9, 1991
The Boeing Company Airplanes
AD 91-15-24 · published Sep 9, 1991, effective Sep 9, 1991
The Boeing Company Airplanes
AD 80-12-07 R2 · published Sep 10, 1991, effective Sep 10, 1991
Fokker Services Airplanes
AD 91-16-07 · published Sep 11, 1991, effective Sep 11, 1991
BAE Systems (Operations) Limited Airplanes
AD 91-17-03 · published Sep 20, 1991, effective Sep 20, 1991
Fokker Services Airplanes
AD 91-18-04 · published Sep 20, 1991, effective Sep 20, 1991
The Boeing Company Airplanes
AD 91-18-05 · published Sep 20, 1991, effective Sep 20, 1991
The Boeing Company Airplanes
AD 91-18-06 · published Sep 23, 1991, effective Sep 23, 1991
Vickers-Armstrongs (Aircraft Limited) Airplanes
AD 91-19-01 · published Sep 24, 1991, effective Sep 24, 1991
Bombardier Inc. Airplanes
AD 91-19-05 · published Sep 26, 1991, effective Sep 26, 1991
Textron Aviation Inc. Airplanes
AD 91-18-17 · published Sep 30, 1991, effective Sep 30, 1991
The Boeing Company Airplanes
AD 91-15-16 · published Sep 4, 1991, effective Sep 4, 1991
General Electric Company Engines
AD 91-15-25 · published Sep 6, 1991, effective Sep 6, 1991
General Electric Company Engines
AD 91-19-03 · published Sep 29, 1991, effective Sep 29, 1991
Continental Motors Engines
AD 91-15-07 · published Sep 1, 1991, effective Sep 1, 1991
Schempp-Hirth Flugzeugbau Gliders
