AD 91-14-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab AB, Saab Aerosystems | SAAB 340B | Airworthiness Directives; SAAB-SCANIA Model SF-340A and SAAB 340B Series Airplanes |
| aircraft | Saab AB, Saab Aerosystems | 340A (SAAB SF340A) | Airworthiness Directives; SAAB-SCANIA Model SF-340A and SAAB 340B Series Airplanes |
Unsafe Condition
Electrical fire and smoke in the cockpit due to FD 574-24 wire from terminal block 301VT BH:C to connector 203VU P33:A1 in the autopilot electrical system.
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Required Actions
Replace the FD 574-24 wire with a 20 AWG size wire per SAAB Service Bulletin 340-34-068. Alternative methods or compliance time adjustments may be approved by the FAA Manager, Standardization Branch. Special flight permits under FAR 21.197 and 21.199 may be issued for AD compliance operations.
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Compliance Time
within 180 days after the effective date of this AD, unless previously accomplished
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Affected Aircraft
SAAB-SCANIA Model SF-340A (Serial Numbers 079 through 159) and SAAB 340B (Serial Numbers 160 through 199)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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