AD 93-25-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | DHC-8-311 | Airworthiness Directives; De Havilland Model DHC-8-311 Series Airplanes |
Unsafe Condition
Failure of the left- and right-hand underwing fairing angles, which could result in reduced structural integrity of the wing-to-fuselage attachment.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a detailed visual inspection for cracking on the rear face of the underwing fairing angles (part number 85350927) by the earlier of 6,830 total landings or within 100 landings after 01/19/1994. If cracking found, replace with part numbers 85350927-107SP or 85350927-108SP before further flight. Repeat inspections every 6,930 landings if no cracks detected. Alternatively, replace all fairing angles with the new part numbers to terminate repetitive inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to the accumulation of 6,830 total landings, or within 100 landings after the effective date of this AD (01/19/1994), whichever occurs later.
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Affected Aircraft
De Havilland Model DHC-8-311 series airplanes, serial numbers 240 through 279 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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