Airworthiness directives › 2021-20-15
AD 2021-20-15 Airworthiness Directives; Airbus SAS Airplanes
Models named: A330-201, -202, -203, -223, -243, A330-223F, -243F, A330-301, -302, -303. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all Airbus SAS airplanes specified in paragraphs (c)(1) through (5) of this AD, certificated in any category. (1) Model A330-201, -202, -203, -223, and -243 airplanes. (2) Model A330-223F and -243F airplanes. (3) Model A330-301, -302, -303, -321, -322, -323, -341, -342, and -343 airplanes. (4) Model A330-841 airplanes. (5) Model A330-941 airplanes.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified in paragraph (h) of this AD: Comply with all required actions and compliance times specified in, and in accordance with, European Union Aviation Safety Agency (EASA) AD 2020-0245, dated November 9, 2020 (EASA AD 2020-0245).
Unsafe condition
This AD was prompted by a report that cracks have been found within the ring gears of the slat geared rotary actuators (SGRAs) due to a change in the manufacturing process and inadequate post-production non-destructive testing for potential cracking, and a determination that the requirements of AD 2019-19-06 may not ensure the permanent removal from service of affected SGRAs. The FAA is issuing this AD to address cracking of an SGRA, which, in combination with an independent failure on the second SGRA of the same slat surface, could lead to an uncontrolled movement of the affected slat surface in flight, or detachment of the slat surface, and could possibly result in damage to the stabilizers and reduced controllability of the airplane.
Affected ADs
This AD replaces AD 2019-19-06, Amendment 39-19742 (84 FR 51960, October 1, 2019) (AD 2019-19-06).
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