Airworthiness Directive · Amendment 39-15735 · Fuselage
BAE Systems (Operations) Limited Model BAe 146 and Avro 146-RJ Airplanes
This AD applies to all BAE Systems (Operations) Limited Model BAe 146-100A, -200A, and -300A series airplanes; and Model Avro 146-RJ70A, 146-RJ85A, and 146-RJ100A airplanes; certificated in any category.
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 4,000 flight cycles or 5 years, whichever occurs first after the effective date of this AD, perform the inspections to detect defects (including sheared or loose bolts) and do the bolt replacements in accordance with the instructions of paragraphs 2.C.(1) through 2.C.(3), and paragraphs 2.D.(1) through 2.D.(3), of the Accomplishment Instructions of BAE Systems (Operations) Limited Inspection Service Bulletin ISB.53-194, dated January 10, 2007, except as required by paragraphs (f)(2), (f)(3), and (f)(4) of this AD.
(2) If any defect is found during the inspection specified in paragraph (f)(1) of this AD, before further flight, replace the affected bolts in accordance with the Accomplishment Instructions of BAE Systems (Operations) Limited Inspection Service Bulletin ISB.53-194, dated January 10, 2007, except as required by paragraphs (f)(3) and (f)(4) of this AD.
(3) For airplanes on which replacement parts are not available during the replacement specified in paragraph (f)(2) of this AD, do the actions in paragraphs (f)(3)(i) and (f)(3)(ii) of this AD in accordance with the Accomplishment Instructions of BAE Systems (Operations) Limited Inspection Service Bulletin ISB.53-194, dated January 10, 2007.
(i) Before further flight, temporarily reinstall removed oversized bolts, provided the bolts are serviceable.
(ii) Within 2,000 flight cycles after doing the inspection required by paragraph (f)(1) of this AD, replace all temporary oversized bolts that were installed in accordance with paragraph (f)(3)(i) of this AD.
(4) Where BAE Systems (Operations) Limited Inspection Service Bulletin ISB.53-194, dated January 10, 2007, specifies to contact BAE Systems (Operations) Limited if any defect is found in the second oversize fastener bore, before further flight, contact BAE Systems (Operations) Limited for repair instructions and do the repair.
Note 1: 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.
