AD 2006-18-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab | 340B | Airworthiness Directives; Saab Model SAAB-Fairchild SF340A (SAAB/SF340A) and SAAB 340B Airplanes |
Unsafe Condition
Discrepancies of the tail pipe harness of the engine nacelles could result in false warning indications from the hot detection system, leading to unnecessary aborted takeoffs on the ground or in-flight engine shutdowns.
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Required Actions
Within 12 months after the effective date, modify the hot detection system of the tail pipe harness of the engine nacelles as specified in Saab Service Bulletin 340-26-030, Revision 01. Perform a general visual inspection of the heat shrink sleeve, thixotropic sealant, and connectors for damage or corrosion, and complete all applicable repairs before further flight. Repeat the general visual inspection every 12 months thereafter.
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Compliance Time
Within 12 months of the effective date
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Affected Aircraft
Saab Model SAAB-Fairchild SF340A (SAAB/SF340A) airplanes, serial numbers -004 through -159, and SAAB 340B airplanes, serial numbers -160 through -459, 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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