Airworthiness directives › 2018-20-21
AD 2018-20-21 Airworthiness Directives; Bombardier, Inc., Airplanes
Applicability*9
This AD applies to certain Bombardier, Inc., Model CL-600-2B16 (CL-604 Variants) airplanes, certificated in any category, serial numbers 5301 through 5665 inclusive, 5701 through 5988 inclusive, and 6050 through 6070 inclusive.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) For airplanes identified in Bombardier Service Bulletin 604-33-007, Revision 02, dated October 2, 2017: Within 38 months after the effective date of this AD, install new gasket seals in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 604-33-007, Revision 02, dated October 2, 2017. (2) For airplanes identified in Bombardier Service Bulletin 605-33-005, Revision 02, dated October 2, 2017: Within 38 months after the effective date of this AD, install new gasket seals in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 605-33-005, Revision 02, dated October 2, 2017. (3) For airplanes identified in Bombardier Service Bulletin 650-33-001, Revision 03, dated October 2, 2017: Within 38 months after the effective date of this AD, install new gasket seals, Modification Summary 600-6537, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 650-33-001, Revision 03, dated October 2, 2017.
Unsafe condition
This AD was prompted by reports of floodlight lamps found burned and the corresponding circuit breaker tripped as a result of fluid entering the cockpit floodlight fixtures. We are issuing this AD to address fluid entering the cockpit floodlight fixtures, which could cause short circuits and damage to electrical components, which may result in a fire in the cockpit.
Affected ADs
None.
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