AD 2012-13-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab | AB | Airworthiness Directives; Saab AB, Saab Aerosystems Airplanes |
Unsafe Condition
Wear of the elevator pushrods has occurred on some airplanes after extended time in service, leading to degradation of the pushrod which causes backlash between the rod end threads.
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Required Actions
Inspect each elevator pushrod assembly to determine the part number. Replace the affected elevator pushrod assembly with a P/N R20990 if a P/N TDF11755 is installed or if the part number cannot be determined. Perform a detailed inspection for individual play between the rod end and the pushrod at the locking device and degradation of the elevator pushrod assembly if a P/N 12003-33 or P/N R20990 is installed. Replace the affected elevator pushrod assembly with a new elevator pushrod assembly, P/N R20990, if degradation is found.
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Compliance Time
Varies based on total flight hours accumulated as of the effective date of the AD: Within 6 months after the effective date for airplanes with 30,000 total flight hours or more; before the accumulation of 30,000 total flight hours or within 6 months after the effective date for airplanes with 28,000 to 29,999 total flight hours; before the accumulation of 30,000 total flight hours for airplanes with less than 28,000 total flight hours.
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Affected Aircraft
Saab AB, Saab Aerosystems Model 340A (SAAB/SF340A) and SAAB 340B airplanes, certificated in any category, all serial numbers.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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