Airworthiness directives › 2023-24-08
AD 2023-24-08 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 the Bombardier, Inc., airplanes, certificated in any category, identified in paragraphs (c)(1) through (6) of this AD. (1) Model BD-700-1A10 airplanes, as identified in Bombardier Service Bulletin 700-32-044, Revision 01, dated December 7, 2022. (2) Model BD-700-1A10 airplanes, as identified in Bombardier Service Bulletin 700-32-6021, Revision 01, dated December 7, 2022. (3) Model BD-700-1A10 airplanes, as identified in Bombardier Service Bulletin 700-32-6507, Revision 01, dated December 7, 2022. (4) Model BD-700-1A11 airplanes, as identified in Bombardier Service Bulletin 700-1A11-32-031, Revision 01, dated December 7, 2022. (5) Model BD-700-1A11 airplanes, as identified in Bombardier Service Bulletin 700-32-5021, Revision 01, dated December 7, 2022. (6) Model BD-700-1A11 airplanes, as identified in Bombardier Service Bulletin 700-32-5507, Revision 01, dated December 7, 2022.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 66 months or 3,200 flight hours, whichever occurs first after the effective date of this AD: Replace SSV part number (P/N) 23600-101 (Bombardier P/N GW415-6275-1) with SSV P/N 23600-103 (Bombardier P/N GW415-6275-3) in accordance with the Accomplishment Instructions of the applicable Bombardier service bulletin listed in figure 1 to paragraph (g) of this AD. Figure 1 to Paragraph (g)—Service Bulletin References ER02JA24.000
Unsafe condition
This AD was prompted by reports that the nose wheel steering selector valve (SSV) can be slow to deactivate under low temperature conditions. The FAA is issuing this AD to address a possible delayed transition to free caster mode in the event of an un-commanded steering input. The unsafe condition, if not addressed, could result in an aircraft runway excursion.
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