Airworthiness directives › 2024-21-04
AD 2024-21-04 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 or inspection program, as applicable, to incorporate the information specified in the tasks specified in figure 1 to paragraph (g) of this AD, of Part 2, “Airworthiness Limitations,” of the applicable Time Limits/Maintenance Checks (TLMC) manual. The initial compliance time for doing the tasks is at the interval specified in the applicable TLMC manual specified in figure 1 to paragraph (g) of this AD, or within 60 days after the effective date of this AD, whichever occurs later. Figure 1 to Paragraph ( g )—Time Limits—Supplementary Limitations Tasks Airplane model Chapter 5 task No. Task title TLMC section TLMC BD-100-1A10 (Challenger 300) 24-61-01-101 * Restoration of the Left DC Power Center (DCPC) (Pre SB100-24-30) 5-10-20, “Time Limits—Supplementary Limitations” Revision 24, dated August 9, 2023. BD-100-1A10 (Challenger 350) 24-61-01-101 * Restoration of the Left DC Power Center (DCPC) (Pre SB350-24-005) 5-10-20, “Time Limits—Supplementary Limitations” Revision 14, dated August 9, 2023. Note 1 to paragraph (g): The asterisk (or “one star”) with the last three digits of the task numbers listed in figure 1 to paragraph (g) of this AD indicates that the task is an airworthiness limitation task.
Unsafe condition
This AD was prompted by a determination that new or more restrictive maintenance tasks are necessary. The FAA is issuing this AD to address erratic indications, which could cause the flightcrew to turn off fully operational electrical power sources, leading to partial or complete loss of electrical power. The unsafe condition, if not addressed, could result in loss of flight displays and reduced controllability of 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