AD 78-12-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | British Aerospace, Aircraft Group | B.206 Series 2 | Airworthiness Directives; Scottish Aviation Limited "Beagle" Model B206 Series II Airplanes |
Unsafe Condition
Cracks, corrosion, or deterioration in exhaust system bellows assemblies (P/N CE20901 or CE 20806) could cause hot exhaust gases to escape and impinge on the tachometer electrical leads and other engine compartment components.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect exhaust system bellows assemblies for cracks, corrosion, and deterioration within 25 hours time in service after the AD's effective date. If no issues found, subsequent inspections at intervals not exceeding 50 hours or 3 months. Replace affected bellows assemblies if cracks, corrosion, or deterioration are found.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 25 hours time in service after the effective date of this AD
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Affected Aircraft
Scottish Aviation Limited Model B206 Series II airplanes with exhaust system bellows assembly Part Number CE20901 or CE20806 installed.
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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