Airworthiness Directive · Amendment 39-16108 · Flight controls
Empresa Brasileira de Aeronáutica S.A. (EMBRAER) Model EMB-500 Airplanes
This AD applies to EMB-500 airplanes, serial numbers 50000005, 50000006, 50000008 through 50000036, 50000038 through 50000041, 50000043 through 50000046, 50000048, and 50000053, 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) issued 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 the next 30 days after January 4, 2010 (the effective date of this AD), replace the nuts of the right-hand (RH) and left-hand (LH) elevators' mass balance fasteners with new ones of self-locking type bearing part number (P/N) MS21043-4. Do the replacements following Phenom by Embraer Service Bulletin No. 500-55-0001, dated July 24, 2009.
(2) As of 30 days after January 4, 2010 (the effective date of this AD), only install self-locking type nuts, P/N MS21043-4, on the RH and LH elevators' mass balance fasteners.
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