AD 2008-26-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab | AB | Airworthiness Directives; Saab AB, Saab Aerosystems Model 340A (SAAB/SF340A) and SAAB 340B Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Saab AB, Saab Aerosystems Model 340A (SAAB/SF340A) and SAAB 340B Airplanes |
Unsafe Condition
Several landing gear emergency extension valves have been found seized due to lack of internal lubrication. This condition, if not corrected, could result in malfunctioning of the landing gear release during an operational emergency.
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Required Actions
Within 6 months after the effective date, perform a functional check of the landing gear emergency extension valve in accordance with SAAB Service Bulletin 340-32-136. Repeat the functional check every 24 months. If any discrepancy is found, repair using a method approved by the FAA or EASA before further flight.
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Compliance Time
Within 6 months after the effective date
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Affected Aircraft
Saab AB, Saab Aerosystems Model 340A (SAAB/SF340A) and SAAB 340B airplanes, all serial numbers, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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