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AMOC applies, notify the appropriate principal inspector in the FAA Flight Standards Certificate
Holding District Office.
Related Information
(j) Brazilian airworthiness directive 2006-05-01, effective May 23, 2006, also addresses the
subject of this AD.
Material Incorporated by Reference
(k) You must use EMBRAER Service Bulletin 145-30-0043, Revision 02, dated May 25, 2006;
or EMBRAER Service Bulletin 145LEG-30-0013, dated June 28, 2005; as applicable; 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), P.O. Box
343–CEP 12.225, Sao Jose dos Campos–SP, Brazil, for a copy of this service information. You may
review copies at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, S.W., Renton,
Washington; or at the National Archives and Records Administration (NARA). For information on
the availability of this material at NARA, call 202-741-6030, or go to:
http://www.archives.gov/federal-register/cfr/ibr-locations.html
.
Issued in Renton, Washington, on February 6, 2007.
Ali Bahrami,
Manager, Transport Airplane Directorate, Aircraft Certification Service.
[FR Doc. E7-2510 Filed 2-15-07; 8:45 am]
BILLING CODE 4910-13-P
41 BW 2007-04
FAA
Aircraft Certification Service
AIRWORTHINESS DIRECTIVE
www.faa.gov/aircraft/safety/alerts/
www.gpoaccess.gov/fr/advanced.html
2007-04-10 Boeing: Amendment 39-14942. Docket No. FAA-2006-25470; Directorate Identifier
2006-NM-090-AD.
Effective Date
(a) This AD becomes effective March 23, 2007.
Affected ADs
(b) This AD supersedes AD 96-24-03.
Applicability
(c) This AD applies to Boeing Model 747-400 series airplanes, certificated in any category, as
identified in Boeing Alert Service Bulletin 747-25A3353, dated December 9, 2004.
Unsafe Condition
(d) This AD results from reports of decompression panels on the smoke barrier opening in flight
and on the ground without a decompression event. We are issuing this AD to prevent inadvertent
opening or tearing of decompression panels, which could result in degraded cargo fire detection and
suppression capability, smoke penetration into an occupied compartment, and an uncontrolled cargo
fire, if a fire occurs in the main deck cargo compartment.
Compliance
(e) You are responsible for having the actions required by this AD performed within the
compliance times specified, unless the actions have already been done.
New Requirements of This AD
Modification or Replacement, as Applicable
(f) Within 48 months after the effective date of this AD: Modify the decompression panels on the
smoke barrier or replace the smoke barrier with an improved smoke barrier, by accomplishing all of
the actions specified in Work Package 1 of the Accomplishment Instructions of Boeing Alert Service
Bulletin 747-25A3353, dated December 9, 2004, as applicable.
2007-04-10 2
42 BW 2007-04
Repetitive Inspection
(g) Within 20 months or 6,000 flight hours after accomplishing the actions in paragraph (f) of
this AD, whichever occurs first: Do a general visual inspection of the decompression (vent) panels on
the smoke barrier for any changes from their installed condition, and do all corrective actions before
further flight after the inspection, by accomplishing all of the actions specified in Work Package 2 of
the Accomplishment Instructions of Boeing Alert Service Bulletin 747-25A3353, dated December 9,
2004, as applicable. Repeat the inspection thereafter at intervals not to exceed 20 months or 6,000
flight hours, whichever occurs first.
Note 1: For the purposes of this AD, a general visual inspection is: “A visual examination of an
interior or exterior area, installation, or assembly to detect obvious damage, failure, or irregularity.
This level of inspection is made from within touching distance unless otherwise specified. A mirror
may be necessary to ensure visual access to all surfaces in the inspection area. This level of
inspection is made under normally available lighting conditions such as daylight, hangar lighting,
flashlight, or droplight and may require removal or opening of access panels or doors. Stands,
ladders, or platforms may be required to gain proximity to the area being checked.”
Alternative Methods of Compliance (AMOCs)
(h)(1) The Manager, Seattle Aircraft Certification Office, 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
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