EASA SIB 2006-02
AIRBUS A300 aircraft series B2, B4, C4 and F4, except for the A300-600 series - Non-Conformance of maintenance requiring visual inspection of slat transmission shafts number 21 and asymmetry pick off units - DGAC F Airworthiness Directive No. F-2005-213R1 is an airworthiness directive issued by the DGAC, the French civil aviation authority. It applies to Airbus A300 aircraft series B2, B4, C4, and F4 and mandates a one-time visual inspection of slat transmission shafts number 21 and asymmetry pick off units to ensure proper connection and functionality.
This revision 1 cancels the original EASA AD issuance and reissues the directive under DGAC authority due to the maintenance error origin of the issue. It does not introduce new requirements or extend the scope but formally mandates the inspection for all affected aircraft on the French register and informs ICAO member states.
This directive is critical for aviation professionals because disconnected slat transmission shafts or asymmetry pick off units can cause slat friction brakes to be inoperative and prevent detection of slat asymmetry, posing a potential safety risk. Operators and maintenance organizations must ensure compliance to avoid unsafe flight conditions and regulatory penalties.
Operators must perform a one-time visual inspection of the slat transmission shafts number 21 and asymmetry pick off units on both wings within 950 flight hours or 3 months from the original issue date, whichever occurs first. Any necessary corrective actions must be completed before the next flight following inspection, and inspection findings must be reported to Airbus as per the instructions in Airbus All Operators Telex A300-27A0200 dated December 5, 2005.
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