AD 2004-22-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab | SAAB SF340A and SAAB 340B | Airworthiness Directives; Saab Model SAAB SF340A and SAAB 340B Series Airplanes |
Unsafe Condition
Reports of improperly installed rivets in the retainers located in the elevator trim-tab fittings, which hold the trim-tab bearings, could lead to the bearings coming loose, resulting in excessive play in the elevator and aileron trim systems and reduced controllability of the airplane.
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Required Actions
Perform a detailed inspection of the elevator and aileron trim-tab fittings, and all applicable related investigative and corrective actions, by accomplishing all actions in Saab Service Bulletin 340-51-025, Revision 01, dated October 21, 2003. Any related investigative and corrective actions must be completed before further flight.
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Compliance Time
Within 800 flight hours or 6 months after the effective date of this AD, whichever is first.
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Affected Aircraft
Saab Model SAAB SF340A series airplanes, line numbers 004 through 159 inclusive; and SAAB 340B series airplanes, line numbers 160 through 459 inclusive, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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