Airworthiness directives › 2023-12-02
AD 2023-12-02 Airworthiness Directives; Bombardier, Inc., Airplanes
Models named: BD-700-1A10, BD-700-1A11. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Bombardier, Inc., Model BD-700-1A10 and BD-700-1A11 airplanes, certificated in any category, having serial numbers 9002 through 9860 inclusive, 9862 through 9871 inclusive, 9873 through 9879 inclusive, 60005, 60024, 60030, 60032, 60037, 60043, 60045, 60049, 60056, 60057, 60061 and 60068.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 30 days from the effective date of this AD, revise the existing maintenance or inspection program, as applicable, to incorporate the information specified in the certification maintenance requirements (CMR) tasks identified in Figure 1 to paragraph (g) of this AD of Part 2, “Airworthiness Limitations,” of the applicable Time Limits/Maintenance Checks (TLMC) manuals identified in Figure 2 to paragraph (g) of this AD. The initial compliance time for doing the tasks is at the applicable time specified in Figure 1 to paragraph (g) of this AD, or within 30 days after the effective date of this AD, whichever occurs later. Figure 1 to paragraph (g) — New CMR Tasks BILLING CODE 4910-13-P ER03JY23.003 Figure 2 to paragraph (g) — Applicable TLMCs ER03JY23.004 BILLING CODE 4910-13-C
Unsafe condition
This AD was prompted by a determination that more restrictive airworthiness limitations are necessary. The FAA is issuing this AD to address the unsafe conditions identified in paragraphs (e)(1) through (3) of this AD. (1) Dormant failure of the landing gear emergency extension system, which could lead to failure to extend the landing gear when normal gear extension has failed. This unsafe condition, if not addressed, could result in an annunciated failure to extend both main landing gears or all landing gears. (2) Dormant failure of the brake shut off valve in the open state. This unsafe condition, if not addressed, could result in uncommanded braking during take-off. (3) Dormant failure of the vent flap assembly where it fails in the closed position, which could result in the failure to prevent the initiation of cabin pressurization when the passenger door is not fully closed, latched and locked. This unsafe condition, if not addressed, could result in the passenger door opening under pressure on ground or during flight.
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