AD 93-07-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | DHC-8-101 | Airworthiness Directives; De Havilland Models DHC-8-100 and DHC-8-300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-102 | Airworthiness Directives; De Havilland Models DHC-8-100 and DHC-8-300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-103 | Airworthiness Directives; De Havilland Models DHC-8-100 and DHC-8-300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-106 | Airworthiness Directives; De Havilland Models DHC-8-100 and DHC-8-300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-301 | Airworthiness Directives; De Havilland Models DHC-8-100 and DHC-8-300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-311 | Airworthiness Directives; De Havilland Models DHC-8-100 and DHC-8-300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-315 | Airworthiness Directives; De Havilland Models DHC-8-100 and DHC-8-300 Series Airplanes |
Unsafe Condition
Reduced controllability of the airplane due to free play and roller rattle in the inboard flaps.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the inboard flaps for free play and roller rattle within 50 hours time-in-service after the effective date. If found, re-rig the flap system within 3,000 hours time-in-service or one year, whichever comes first. If not found, re-rig within 250 hours time-in-service. Additional repetitive inspections may be required based on landing count.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 hours time-in-service after the effective date of this AD, and subsequent actions as specified (3,000 hours time-in-service or one year, or 250 hours time-in-service depending on findings and landing counts).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
De Havilland Models DHC-8-100 and DHC-8-300 series airplanes; serial numbers 3 through 216, inclusive; certificated in any category.
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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