AD 2006-16-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440) Airplanes |
Unsafe Condition
Short circuit failures of Tyco Hartman alternating current (AC) contactors 1K4XD and K4XA, located in the avionics bay, due to contaminants between the power studs, which could result in arcing and consequent smoke or fire.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect contactors 1K4XD, 2K4XD, and K4XA to determine the type of terminal base plate. Apply RTV 732 or RTV 3145 sealant on the terminal base plates, if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 800 flight hours or four months.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, serial numbers 7003 through 7990 inclusive and 8000 and subsequent.
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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