Airworthiness Directive · Amendment 39-15388 · Fuselage
BAE Systems (Operations) Limited Model BAe 146 and Model Avro 146-RJ Airplanes
This AD applies to BAE Systems (Operations) Limited Model BAe 146 and Model Avro 146-RJ airplanes; certificated in any category; all models, 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:
Unless already done, do the following actions.
(1) Within 12 months after the effective date of this AD and thereafter at intervals not to exceed 24 months, perform a detailed visual inspection of the APU heat shield and surrounding skin, in accordance with paragraph 2.C. of BAE Systems (Operations) Limited Inspection Service Bulletin ISB.53-191, dated October 25, 2006.
(2) If any corrosion, pitted fastener, or pillowing is found during any detailed visual inspection required by paragraph (f)(1) of this AD, before the next flight, remove the APU heat shield and repair the affected area in accordance with paragraph 2.D. of BAE Systems (Operations) Limited Inspection Service Bulletin ISB.53-191, dated October 25, 2006.
(3) For any airplane modified in accordance with BAE Systems (Operations) Limited Modification Service Bulletin SB.53-193-60732A, dated November 1, 2006, the repetitive interval specified in paragraph (f)(1) of this AD may be extended to 48 months.
Note: This AD differs from the MCAI and/or service information as follows: No differences.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Aircraft