AD 98-06-23
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab AB, Saab Aerosystems | SAAB 2000 | Airworthiness Directives; Saab Model SAAB 2000 Series Airplanes |
Unsafe Condition
Unsealed openings in the APU firezone bulkhead could allow hazardous amounts of flame, fuel, and vapor to enter compartments outside the fire zone, resulting in an uncontrollable fire outside the APU firezone compartment.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Apply sealant to the APU firezone bulkhead in accordance with Saab Service Bulletin 2000-53-024. Compliance may be adjusted with FAA approval via alternative methods.
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Compliance Time
Within 400 flight hours or 2 months after the effective date of this AD, whichever occurs later.
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Affected Aircraft
Saab Model SAAB 2000 series airplanes, serial numbers -004 through -040 inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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