AD Amdt-39-11307
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | DHC-7 and DHC-8 | Airworthiness Directives; Bombardier Model DHC-7 and DHC-8 Series Airplanes |
Unsafe Condition
Reports of inflight incidents and an accident in icing conditions where the airframe pneumatic deicing boots were not activated, leading to reduced controllability due to ice accumulation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots at the first signs of ice accumulation.
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Compliance Time
Before further flight
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Affected Aircraft
Bombardier Model DHC-7 and DHC-8 series airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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