AD 2007-04-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | DHC-8-400 | Airworthiness Directives; Bombardier Model DHC-8-400 Series Airplanes |
Unsafe Condition
Reduced clamp force on the flanges due to V-band clamp ends touching, leading to vibration, fretting, and potential cracking of the flanges. This could result in the release of hot exhaust gases and damage to adjacent structure, triggering the fire warning system and an in-flight emergency.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect to determine the manufacturer's date of certain V-band clamps on the engine exhaust shroud assembly. Perform investigative/corrective actions if necessary to address discrepancies found during the inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bombardier Model DHC-8-400 series airplanes with specific V-band clamps on the engine exhaust shroud assembly.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.