AD 2006-02-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440) Airplanes |
Unsafe Condition
Gask-O-Seals that did not incorporate an integral restrictor to limit fuel flow rate and fuel pressure during refueling were installed on certain airplanes, which could lead to a buildup of excessive static charge and create an ignition source inside the fuel tank.
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Required Actions
Replace the Gask-O-Seal in the coupling of the refuel/defuel shut-off valves by performing all actions specified in Bombardier Alert Service Bulletin A601R-28-064, Revision `A,' dated September 15, 2005. No person may install a Gask-O-Seal, part number 202297, on any airplane as of the effective date of this AD.
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Compliance Time
Within 550 flight hours after the effective date of this AD.
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Affected Aircraft
Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes with serial numbers 7003 through 7067 inclusive, 7069 through 7939 inclusive, and 7940 through 7988 inclusive, where Bombardier Service Bulletin 601R-28-053, dated July 12, 2004, has been accomplished.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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