Airworthiness directives › 2023-12-22
AD 2023-12-22 Airworthiness Directives; BAE Systems (Operations) Limited Airplanes
Models named: 4101. 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 4101 airplanes, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
At the applicable time specified in paragraph (g)(1) or (2) of this AD, accomplish an eddy current inspection of the external visible surface of the inner skin, door edge member, and seal carrier adjacent to the roller bracket attachment brackets for cracking; and an eddy current inspection of the inner skin, door edge member, and seal carrier at the roller bracket attachment bores for cracking, in accordance with paragraph 2.B. of the Accomplishment Instructions of BAe JETSTREAM Series 4100 Service Bulletin J41-52-065, Revision 1, dated June 8, 2022. (1) For airplanes that have accumulated 18,000 total flight cycles or fewer as of the effective date of this AD: Accomplish the inspections prior to the accumulation of 20,000 total flight cycles. (2) For airplanes that have accumulated more than 18,000 total flight cycles as of the effective date of this AD: Accomplish the inspections within 2,000 flight cycles after the effective date of this AD.
Unsafe condition
This AD was prompted by in-service cracking of the passenger door edge member, seal carrier, and inner skin, adjacent to the roller guide bracket. The FAA is issuing this AD to address undetected cracking of the passenger door. The unsafe condition, if not addressed, could result in a partial failure of the passenger door, and consequent reduced structural integrity of the passenger door.
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