Airworthiness directives › 2019-03-23
AD 2019-03-23 Airworthiness Directives; Airbus SAS Airplanes
Models named: A330-223F, -243F, A330-201, -202, -203, -223, -243, A330-301, -302, -303. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to the Airbus SAS airplanes identified in paragraphs (c)(1) through (c)(7) of this AD, certificated in any category, all manufacturer serial numbers. (1) Model A330-223F and -243F airplanes. (2) Model A330-201, -202, -203, -223, and -243 airplanes. (3) Model A330-301, -302, -303, -321, -322, -323, -341, -342, and -343 airplanes. (4) Model A340-211, -212, and -213 airplanes. (5) Model A340-311, -312, and -313 airplanes. (6) Model A340-541 airplanes. (7) Model A340-642 airplanes.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For the purpose of this AD, the drive station elements are defined as the down drive, down drive shaft, geared rotary actuator (gearbox), geared rotary actuator (output lever and fork end), and drive strut.
Unsafe condition
This AD was prompted by a report that the right-hand (RH) and left-hand (LH) track station 4 sensor struts, in the case of down drive element disconnection, would be unable to provide failure detection information for flap movements. We are issuing this AD to address abnormal flap movement due to mechanical drive station element disconnection at flap track station 4 or station 5 which could lead to undetected down drive shaft disconnection. Such a condition could result in complete flap disconnection in the case of additional failure on the remaining flap drive station, and could ultimately result in loss of control of the airplane.
Affected ADs
None.
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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