Airworthiness Directive · Amendment 39-10048 · Saab Model SAAB 340B and Model SAAB 2000 Series Airplanes
Saab Model SAAB 340B and Model SAAB 2000 Series Airplanes
Model SAAB 340B series airplanes, having serial numbers 354 through 374 inclusive; and Model SAAB 2000 series airplanes, having serial numbers 004 through 025 inclusive; certificated in any category.
This amendment adopts a new airworthiness directive (AD), applicable to certain Saab Model SAAB 340B and Model SAAB 2000 series airplanes, that requires a one-time inspection to determine if certain switches are installed on the fire handle of the fire handle assembly; and replacement of the fire handle panel with a new fire handle panel, if necessary. This amendment is prompted by a report indicating that, during manufacture, a batch of defective switches were installed on certain fire handle panels on these airplanes. The actions specified by this AD are intended to ensure the proper switches are installed in the fire handle assembly. A defective switch in the fire handle assembly could prematurely fail and, consequently, prevent the proper operation of the engine fire protection system in the event of a fire.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
