Airworthiness Directive · Amendment 39-16811 · Landing gear
BAE Systems (Operations) Limited Model BAe 146 and Avro 146-RJ Airplanes
This AD applies to 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; all serial numbers.
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Within 4,000 flights cycles or 2 years after the effective date of this AD, whichever occurs first: Do the initial inspection of the MLG shock absorber lower attachment pins in accordance with paragraph 2.C of BAE Systems (Operations) Limited Inspection Service Bulletin ISB.32-176, initial issue, dated November 12, 2009; and paragraph 3 of Messier-Dowty Service Bulletin 146-32-157, excluding Appendix A, dated February 12, 2009.
(h) Thereafter, at intervals not to exceed 8,000 flights cycles or 4 years, whichever occurs first, repeat the inspection required by paragraph (g) of this AD.
(i) If, during any inspection required by paragraphs (g) and (h) of this AD, the chromium plating on the outer diameter of any pin is found cracked, or the base material is exposed, or any corrosion is found on the chromium plating on the outer diameter of any pin, before further flight, replace the pin with a serviceable pin in accordance with paragraph 2.C of BAE Systems (Operations) Limited Inspection Service Bulletin ISB.32-176, initial issue, dated November 12, 2009; and paragraph 3 of Messier-Dowty Service Bulletin 146-32-157, excluding Appendix A, dated February 12, 2009.
(j) Replacing the pin, as required by paragraph (i) of this AD, does not constitute a terminating action for the repetitive inspections required by paragraph (h) of this AD.
Note 1: This AD differs from the MCAI and/or service information as follows: No differences.
