AD 97-19-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab AB, Saab Aerosystems | SAAB 2000 | Airworthiness Directives; Saab Model SAAB 2000 Series Airplanes |
Unsafe Condition
Failure of the auxiliary power unit (APU) ignition exciter part number 4950787 in cold weather conditions could result in inability to restart engines if both engines quit operating during flight.
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Required Actions
Replace ignition exciter part number 4950787 with part number 179420-2 per Saab Service Bulletin 2000-49-005 within 60 days after the effective date. Prohibit installation of part number 4950787 after the effective date.
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Compliance Time
Within 60 days after the effective date of this AD
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Affected Aircraft
Saab Model SAAB 2000 series airplanes equipped with APU part number 4500090, serial numbers SP-E941224 and SP-E941228 through SP-E951259 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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