Airworthiness directives › 2023-13-06
AD 2023-13-06 Airworthiness Directives; Bombardier, Inc., Airplanes
Models named: BD-100-1A10. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all Bombardier, Inc., Model BD-100-1A10 airplanes, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 60 days after the effective date of this AD, revise the existing maintenance and inspection program, as applicable, to incorporate the information specified in Bombardier Challenger 300 BD-100 Time Limits/Maintenance Checks Temporary Revision (TR) TR5-2-101, dated June 30, 2022; or (Bombardier) Challenger 350 BD-100 Time Limits/Maintenance Checks TR TR5-2-30, dated June 30, 2022; as applicable. The initial compliance time for doing the tasks is at the time specified in Bombardier Challenger 300 BD-100 Time Limits/Maintenance Checks Temporary Revision (TR) TR5-2-101, dated June 30, 2022; or (Bombardier) Challenger 350 BD-100 Time Limits/Maintenance Checks TR TR5-2-30, dated June 30, 2022; as applicable, or within 60 days after the effective date of this AD, whichever occurs later.
Unsafe condition
This AD was prompted by an in-service event that occurred where the nose gear door amber caution message displayed on the crew alerting system during the initial climb after gear retraction. The FAA is issuing this AD to address cracked fillet radii of the nose landing gear (NLG) door hinge fittings. The unsafe condition, if not addressed, could result in a NLG door misalignment, which could increase the drag and yawing movement during flight, could cause jamming of the door affecting the ability to extend or retract the NLG, or could potentially result in the NLG door detaching from the airplane.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1