AD 2010-10-18
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Model BD-100-1A10 (Challenger 300) Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Bombardier, Inc. Model BD-100-1A10 (Challenger 300) Airplanes |
Unsafe Condition
Partial blockage of a safety valve cabin pressure-sensing port, in conjunction with a dormant failure/leakage of the safety valve manometric capsule, could result in a loss of cabin pressurization.
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Required Actions
Inspect safety valves and surrounding areas for discrepant material and contamination. Clean surfaces of valves and remove discrepant material as applicable. Install a new safety valve if RTV is detected. Modify safety valves with a gridless cabin pressure-sensing port plug.
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Compliance Time
Within 12 months of effective date
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Affected Aircraft
Bombardier, Inc. Model BD-100-1A10 (Challenger 300) airplanes.
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
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