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EMBRAER Alert Service Bulletin 145-30-A050, dated May 31, 2006 (for Model EMB-135ER, -
135KE, -135KL, and -135LR airplanes; and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -
145MP, and -145EP airplanes); as applicable; except where the service bulletins specify to contact
the manufacturer if damage to components for the relay support is found, this AD does not require
that action. All applicable corrective actions must be done before further flight.
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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 mirror, magnifying lenses, etc., may be necessary. Surface cleaning and
elaborate procedures may be required.”
Replacement and Modification of Right-Hand Windowsill Drain Hoses
(g) Within 600 flight hours or 180 days after the effective date of this AD, whichever occurs
first, do the actions required by paragraphs (g)(1), (g)(2), and (g)(3) of this AD, as applicable, in
accordance with the Accomplishment Instructions of EMBRAER Service Bulletin 145LEG-30-0011,
Revision 01, dated June 7, 2006 (for Model EMB-135BJ airplanes); or EMBRAER Service Bulletin
145-30-0041, Revision 01, dated June 5, 2006 (for Model EMB-135ER, -135KE, -135KL, and -
135LR airplanes; and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP
airplanes); as applicable.
(1) For all airplanes: Modify and re-identify the drain hose having part number (P/N) 123-15435-
405, in accordance with Figure 1 of the applicable service bulletin.
(2) For all airplanes: Replace the right-hand windowsill drain hoses having P/N 123-15435-403
with new, improved hoses, P/N 145-13047-001 and 145-13044-005; and replace the tiedown straps
with new tiedown straps, in accordance with Figure 1 of the applicable service bulletin.
(3) For Model EMB-135BJ airplanes: Reroute the drain hoses of the right cockpit horizontal
linings, in accordance with Figure 2 of the applicable service bulletin.
Replacement of Left-Hand Windowsill Drain Hoses
(h) Within 1,200 flight hours or 360 days after the effective date of this AD, whichever occurs
first, do the actions required by paragraphs (h)(1) and (h)(2) of this AD, as applicable, in accordance
with the Accomplishment Instructions of EMBRAER Service Bulletin 145LEG-30-0011, Revision
01, dated June 7, 2006 (for Model EMB-135BJ airplanes); or EMBRAER Service Bulletin 145-30-
0041, Revision 01, dated June 5, 2006 (for Model EMB-135ER, -135KE, -135KL, and -135LR
airplanes; and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP
airplanes); as applicable.
(1) For all airplanes: Replace the left-hand windowsill drain hoses having P/N 123-15435-401
and -403 with new, improved hoses having P/N 145-13044-001 and P/N 145-13047-001, and replace
the tiedown straps with new tiedown straps, in accordance with Figure 1 of the applicable service
bulletin.
(2) For Model EMB-135BJ airplanes: Reroute the drain hoses of the left cockpit horizontal
linings, in accordance with Figure 2 of the applicable service bulletin.
Actions Accomplished According to Previous Issue of Service Bulletin
(i) Any replacement/rerouting of the drain hoses accomplished before the effective date of this
AD in accordance with EMBRAER Service Bulletin 145-30-0041 or 145LEG-30-0011, both dated
April 20, 2005, as applicable, is considered acceptable for compliance with the requirements of
paragraphs (g) and (h) this AD.
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Alternative Methods of Compliance (AMOCs)
(j)(1) The Manager, ANM-116, International Branch, Transport Airplane Directorate, FAA, has
the authority to approve AMOCs for this AD, if requested in accordance with the procedures found in
14 CFR 39.19.
(2) Before using any AMOC approved in accordance with § 39.19 on any airplane to which the
AMOC applies, notify the appropriate principal inspector in the FAA Flight Standards Certificate
Holding District Office.
Related Information
(k) Brazilian airworthiness directive 2005-08-04R1, effective July 27, 2006, also addresses the
subject of this AD.
Material Incorporated by Reference
(l) You must use the applicable EMBRAER service bulletins specified in Table 1 of this AD to
perform the actions that are required by this AD, unless the AD specifies otherwise. The Director of
the Federal Register approved the incorporation by reference of these documents in accordance with
5 U.S.C. 552(a) and 1 CFR part 51. Contact Empresa Brasileira de Aeronautica S.A. (EMBRAER),
　
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