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Airworthiness directives › 2015-17-06

AD 2015-17-06 Airworthiness Directives; Airbus Airplanes

2015-09-24
2015-08-20
39-18239
FAA-2014-1051
Airframe
—

Models named: A319-111, -112, -113, -114, -115, -131, -132, -133, A320-211, -212. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

This AD applies to the Airbus airplanes, certificated in any category, identified in paragraphs (c)(1), (c)(2), and (c)(3) of this AD, all manufacturer serial numbers on which Airbus modification (mod) 160500 or mod 160023 has been embodied in production, and those that have been modified in service through the Airbus Service Bulletin A320-57-1173, A320-57-1186, or A320-57-1187, except those on which Airbus mod 156108 has been embodied in production. (1) Model A319-111, -112, -113, -114, -115, -131, -132, and -133 airplanes. (2) Model A320-211, -212, -214, -231, -232, and -233 airplanes. (3) Model A321-111, -112, -131, -211, -212, -213, -231, and -232 airplanes.

Compliance

Comply with this AD within the compliance times specified, unless already done.

Required actions

Within 24 months after the effective date of this AD, modify the sharklet ground connection, in accordance with the Accomplishment Instructions of Airbus Service Bulletin A320-27-1240, dated June 18, 2014.

Unsafe condition

This AD was prompted by reports that on airplanes equipped with sharklets, discretes (used to activate the load alleviation function) are connected on various flight computers using the same ground point. In these cases, the ground point segregation is no longer effective, and a single failure could lead to loss of sharklet identification by flight computers causing a return to the wing tip fence (no sharklet configuration) performance. We are issuing this AD to prevent loss of sharklet identification by the flight computers and subsequent reduced control of the airplane.

Affected ADs

None.

Read the original on the Federal Register →

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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1