Airworthiness directives › 2022-21-05
AD 2022-21-05 Airworthiness Directives; The Boeing Company Airplanes
Models named: 737-300, -400, -500 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to The Boeing Company Model 737-300, -400, and -500 series airplanes, certificated in any category, as identified in Boeing Alert Requirements Bulletin 737-22A1411 RB, dated August 22, 2022.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified by paragraph (h) of this AD: At the applicable times specified in the “Compliance” paragraph of Boeing Alert Requirements Bulletin 737-22A1411 RB, dated August 22, 2022, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Alert Requirements Bulletin 737-22A1411 RB, dated August 22, 2022. Note 1 to paragraph (g): Guidance for accomplishing the actions required by this AD can be found in Boeing Alert Service Bulletin 737-22A1411 RB, dated August 22, 2022, which is referred to in Boeing Alert Requirements Bulletin 737-22A1411 RB, dated August 22, 2022.
Unsafe condition
This AD was prompted by a report that a spoiler sensor failure may go undetected by the autothrottle computer. The FAA is issuing this AD to address latent loss of spoiler sensor position data or erroneous spoiler sensor position data. The unsafe condition, if not addressed, could result in asymmetric thrust or an uncommanded roll and consequent potential loss of control of the airplane or reduced ability of the flightcrew to maintain the safe flight and landing of the airplane.
Affected ADs
None.
Read the original on the Federal Register →
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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