AD 98-06-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | DHC-8-101 | Airworthiness Directives; de Havilland Model DHC-8-100 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-102 | Airworthiness Directives; de Havilland Model DHC-8-100 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-103 | Airworthiness Directives; de Havilland Model DHC-8-100 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-106 | Airworthiness Directives; de Havilland Model DHC-8-100 Series Airplanes |
Unsafe Condition
Smoke contamination in the passenger and crew cabins due to a direct smoke path between the baggage compartment and the cabins in the event of fire or smoke.
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Required Actions
Perform a one-time visual inspection to determine the presence of block seals on the upper portions of the cabin/baggage compartment bulkheads. Install a new or serviceable block seal for any missing block seal in accordance with Bombardier Service Bulletin S.B. 8-25-80, Revision `A.'
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Compliance Time
Within 4 months after the effective date of this AD, with prior to further flight for any missing block seal installation.
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Affected Aircraft
de Havilland Model DHC-8-100 series airplanes; serial numbers 191, and 225 through 307 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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