AD 93-25-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab AB, Saab Aerosystems | SAAB 340B | Airworthiness Directives; SAAB-SCANIA Model SAAB SF340A and 340B Series Airplanes |
| aircraft | Saab AB, Saab Aerosystems | 340A (SAAB SF340A) | Airworthiness Directives; SAAB-SCANIA Model SAAB SF340A and 340B Series Airplanes |
Unsafe Condition
Loss of AC electrical power and local area damage that may lead to further electrical failures and smoke in the cockpit due to AC generator control relays, part number SM15CXD1.
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Required Actions
Replace left- and right-hand AC generator control relays (P/N SM15CXD1) with new relays (P/N SM15CXD4) at positions 7XA and 8XA within 6 months after the effective date. Do not install P/N SM15CXD1 relays at positions 7XA or 8XA after the effective date. Compliance adjustments may be requested through the FAA.
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Compliance Time
Within 6 months after the effective date of this AD
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Affected Aircraft
Model SAAB SF340A series airplanes, serial numbers 004 through 159 inclusive; and Model SAAB 340B series airplanes, serial numbers 160 through 325 inclusive
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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