Airworthiness Directive · Amendment 39-16191 · Landing gear
Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135BJ, -135ER, -135KE, -135KL, and -135LR Airplanes; and EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP Airplanes
This AD applies to Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135BJ, as identified in EMBRAER Service Bulletin 145LEG-32-0033, dated November 27, 2008; and Model EMB-135ER, -135KE, -135KL, and -135LR airplanes, and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP airplanes, as identified in EMBRAER Service Bulletin 145-32-0122, dated November 27, 2008; 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 2,500 flight hours or 24 months after the effective date of this AD, whichever occurs first, do the actions specified in paragraphs (f)(1)(i) and (f)(1)(ii) of this AD.
(i) Perform a one-time detailed inspection for cracks on the MLG trailing arm pins, in accordance with EMBRAER Service Bulletin 145-32-0122, Revision 01, dated April 29, 2009; or 145LEG-32-0033, Revision 01, dated June 18, 2009; as applicable. If any crack is found, before further flight, replace the MLG trailing arm pin with a serviceable pin, in accordance with EMBRAER Service Bulletin 145-32-0122, Revision 01, dated April 29, 2009; or 145LEG-32-0033, Revision 01, dated June 18, 2009; as applicable.
(ii) Prior to or concurrently with accomplishing the inspection required by paragraph (f)(1)(i) of this AD, modify the MLG auxiliary door mounting support, in accordance with EMBRAER Service Bulletin 145-52-0047, Revision 01, dated March 31, 2008; or 145LEG-52-0014, Revision 01, dated June 17, 2009; as applicable.
Note 1: For the purposes of this AD, a detailed inspection is: “An intensive examination of a specific item, installation or assembly to detect damage, failure or irregularity. Available lighting is normally supplemented with a direct source of good lighting at an intensity deemed appropriate. Inspection aids such as mirrors, magnifying lenses, etc., may be necessary. Surface cleaning and elaborate access procedures may be required.”
Note 2: For the purposes of this AD, a “serviceable” pin is a pin that has no cracking.
(2) Modifications and inspections accomplished before the effective date of this AD, according to a service bulletin listed in Table 1 of this AD, are considered acceptable for compliance with the corresponding action specified in this AD.
| Affected airplanes | Service Bulletin | Date |
|---|---|---|
| Model EMB-135BJ airplanes | EMBRAER Service Bulletin 145LEG-32-0033 | November 27, 2008. |
| Model EMB-135BJ airplanes | EMBRAER Service Bulletin 145LEG-52-0014 | October 28, 2008. |
| Model EMB-135ER, -135KE, -135KL, and -135LR airplanes, and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP airplanes | EMBRAER Service Bulletin 145-32-0122 | November 27, 2008. |
| Model EMB-135ER, -135KE, -135KL, and -135LR airplanes, and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP airplanes | EMBRAER Service Bulletin 145-52-0047 | July 18, 2005. |
Note 3: This AD differs from the MCAI and/or service information as follows: Agência Nacional de Aviação Civil (ANAC) Brazilian Airworthiness Directive 2009-02-01, dated February 12, 2009, is applicable to “all EMB-145 and EMB-135 aircraft models in operation.” However, this does not agree with the service information specified in Table 2 of this AD, which specifies that only certain Model EMB-145 and EMB-135 airplanes are affected and identifies them by serial number. This AD is applicable only to the airplanes listed in the applicable service bulletins. This difference has been coordinated with the ANAC.
| Document | Revision | Date |
|---|---|---|
| EMBRAER Service Bulletin 145LEG-32-0033 | 01 | June 18, 2009. |
| EMBRAER Service Bulletin 145LEG-52-0014 | 01 | June 17, 2009. |
| EMBRAER Service Bulletin 145-32-0122 | 01 | April 29, 2009. |
| EMBRAER Service Bulletin 145-52-0047 | 01 | March 31, 2008. |
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.
