Airworthiness directives › 2022-23-07
AD 2022-23-07 Airworthiness Directives; BAE Systems (Operations) Limited Airplanes
Models named: BAe 146-100A, -200A, -300A. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all BAE Systems (Operations) Limited Model BAe 146-100A, -200A, and -300A airplanes, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 12 months after the effective date of this AD, modify the autopilot engagement circuit in accordance with the Accomplishment Instructions of BAE Systems (Operations) Limited Modification Service Bulletin SB.22-072-36262A, dated September 14, 2021.
Unsafe condition
This AD was prompted by a finding that when the autopilot is engaged, the architecture of the autopilot system does not automatically disconnect the autopilot in response to pilot application of a pitch input or when the electric pitch trim switch on either pilot control wheel is operated. The FAA is issuing this AD to address continued autopilot engagement after flightcrew input to disengage the autopilot, which could lead to 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