Airworthiness Directive · Amendment 39-15649 · Auto flight
Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model ERJ 170 Airplanes and Model ERJ 190 Airplanes
This AD applies to EMBRAER Model ERJ 170-100 LR, -100 STD, -100 SE, -100 SU, -200 LR, -200 STD, and -200 SU airplanes, certificated in any category, equipped with Primus EPIC software load version 17.3, 17.4, 17.5, 17.6, or 17.7; and Model ERJ 190-100 STD, -100 LR, -100 IGW, -200 STD, -200 LR, and -200 IGW airplanes, certificated in any category, equipped with Primus EPIC software load version 4.3, 4.4, 4.5, 4.6, or 4.7.
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 300 flight hours after the effective date of this AD, do a functional check of the FGCS channels engagement, in accordance with EMBRAER Service Bulletin 170-22-0003 or Service Bulletin 190-22-0002, both Revision 01, both dated November 5, 2007, as applicable. Repeat the functional check thereafter at intervals not to exceed 600 flight hours, until the terminating action described by paragraph (f)(2) of this AD has been done. If any malfunction of the FGCS is discovered during any functional check required by this paragraph, before further flight, do all applicable replacements of the actuator input-output processor in accordance with the applicable service bulletin.
Note 1: For the purpose of this AD, a functional check is: “A quantitative check to determine if one or more functions of an item perform within specified limits.”
(2) Within 10 months after the effective date of this AD, install Primus EPIC Field-Loadable Software Version 19.3 or higher, in accordance with EMBRAER Service Bulletin 170-31-0019, Revision 01, dated June 25, 2007; or Service Bulletin 190-31-0009, Revision 02, dated June 29, 2007; as applicable. Doing this installation ends the repetitive functional checks required by paragraph (f)(1) of this AD.
(3) Any functional check done before the effective date of this AD in accordance with EMBRAER Service Bulletin 170-22-0003 or 190-22-0002, both dated November 9, 2006, as applicable, is considered acceptable for compliance with the requirements of paragraph (f)(1) of this AD.
Note 2: 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.
