Airworthiness directives › 2022-14-13
AD 2022-14-13 Airworthiness Directives; BAE Systems (Operations) Limited Airplanes
Models named: BAe 146-100A, -200A, -300A, Avro 146-RJ70A, 146-RJ85A, 146-RJ100A. 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; and Model Avro 146-RJ70A, 146-RJ85A, and 146-RJ100A airplanes; certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
This paragraph restates the requirements of paragraph (g) of AD 2015-07-05, with new service information. (1) Within the compliance times specified in paragraphs (g)(1)(i) and (ii) of this AD, as applicable: Do an external eddy current inspection on the aft skin lap joints of the rear fuselage for cracking, corrosion, and other defects ( i.e., surface damage and spot displacement); in accordance with paragraph 2.C. of the Accomplishment Instructions of BAE Systems (Operations) Limited Inspection Service Bulletin 53-239, including Appendix 2, Revision 3, dated May 7, 2014; or paragraph 2. of the Accomplishment Instructions of BAE Systems (Operations) Limited Inspection Service Bulletin 53-239, Revision 5, including Appendix 2, Revision 5, and Appendix 3, Revision 1, all dated March 2, 2017. As of the effective date of this AD, use BAE Systems (Operations) Limited Inspection Service Bulletin 53-239, Revision 5, including Appendix 2, Revision 5, and Appendix 3, Revision 1, all dated March 2, 2017, only. (i) For any airplane which has accumulated 9,000 flight cycles or more since the airplane's first flight as of May 19, 2015 (the effective date of AD 2015-07-05): Do the inspection within 1,000 flight cycles or 6 months after May 19, 2015, whichever occurs first. (ii) For any airplane which has accumulated less than 9,000 flight cycles since the airplane's first flight as of May 19, 2015 (the effective date of AD 2015-07-05): Do the inspection before accumulating 10,000 flight cycles since the airplane's first flight. (2) Repeat the inspection required by paragraph (g)(1) of this AD thereafter at intervals not to exceed the times specified in paragraphs (g)(2)(i) and (ii) of this AD, as applicable to the airplane's modification status. (i) For Model BAe 146 series airplanes and Model Avro 146-RJ series airplanes post modification HCM50070E, or post modification HCM50070F, or post modification HCM50259A, repeat the inspection at intervals not to exceed 4,000 flight cycles. (ii) For Model BAe 146 series airplanes and Model Avro 146-RJ series airplanes premodification HCM50070E, and premodification HCM50070F, and premodification HCM50259A, repeat the inspection at intervals not to exceed 7,500 flight cycles.
Unsafe condition
This AD was prompted by a report of a pressurization problem on an airplane during climb-out; a subsequent investigation showed a crack in the fuselage skin; and that repetitive low frequency eddy current (LFEC) inspections in the rear fuselage aft skin lap joints and in the fuselage skin panels are necessary. Certain compliance times must also be revised. The FAA is issuing this AD to address cracking, corrosion, and other defects on the rear fuselage aft skin joints and frames and in the fuselage panels, which could affect the structural integrity of the airplane.
Affected ADs
This AD replaces AD 2015-07-05, Amendment 39-18133 (80 FR 19871, April 14, 2015) (AD 2015-07-05).
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