AD 98-06-11

final rule
Data completeness: 70%

Airworthiness Directives; de Havilland Model DHC-8-100 Series Airplanes

AD Number
98-06-11
Status
final_rule
Effective Date
Product Category
aircraft
Docket
97-NM-269-AD
FR Citation
Federal Register: March 13, 1998 (Volume 63, Number 49)

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.'

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 4 months after the effective date of this AD, with prior to further flight for any missing block seal installation.

AI-generated summary from the source AD text. Verify against the official source before acting.

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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