AD 2009-18-20

Unless already done, do the following actions.

(1) For airplanes that have accumulated more than 8,500 total flight cycles since first flight of the airplane as of the effective date of this AD: Do the actions required by paragraphs (f)(1)(i) and (f)(1)(ii) of this AD, as applicable.

(i) Within 3 months after the effective date of this AD: Identify the part number of spoiler servo-controls installed on the airplane at all positions in order to determine the number of affected hydraulic circuits in accordance with the Accomplishment Instructions of Airbus Mandatory Service Bulletin A330-27A3154, Revision 01; or Airbus Mandatory Service Bulletin A340-27A4154, Revision 01; both dated July 25, 2008; as applicable. If there is no spoiler servo-control installed with a part number identified in Table 1 of this AD, no further action is required by this paragraph.

(ii) If there is any spoiler servo-control installed with a part number identified in Table 1 of this AD, do all applicable actions required by paragraph (f)(2), (f)(3), or (f)(4) of this AD, as applicable.

(2) If three affected hydraulic circuits are identified during the inspection required by paragraph (f)(1) of this AD, do the actions required by paragraphs (f)(2)(i), (f)(2)(ii), and (f)(2)(iii) of this AD, at the time specified.

(i) Before the accumulation of 10,400 total flight cycles since first flight of the airplane, or within 3 months after accomplishing the requirements of paragraph (f)(1)(i) of this AD, whichever occurs later: Modify the affected spoiler servo-controls on one hydraulic circuit in accordance with the Accomplishment Instructions of Airbus Service Bulletin A330-27-3110, Revision 03, dated September 3, 2008; or Airbus Service Bulletin A340-27-4115, Revision 01, dated March 2, 2007; as applicable.

(ii) Before the accumulation of 10,800 total flight cycles since first flight of the airplane, or within 6 months after accomplishing the requirements in paragraph (f)(1)(i) of this AD, whichever occurs later: Modify the affected spoiler servo-controls on the second hydraulic circuit in accordance with the Accomplishment Instructions of Airbus Service Bulletin A330-27-3110, Revision 03, dated September 3, 2008; or Airbus Service Bulletin A340-27-4115, Revision 01, dated March 2, 2007; as applicable.

(iii) Within 18 months after the effective date of this AD: Modify the remaining affected spoiler servo-controls in accordance with the Accomplishment Instructions of Airbus Service Bulletin A330-27-3110, Revision 03, dated September 3, 2008; or Airbus Service Bulletin A340-27-4115, Revision 01, dated March 2, 2007; as applicable.

(3) If two affected hydraulic circuits are identified during the inspection required by paragraph (f)(1) of this AD, do the actions required by paragraphs (f)(3)(i) and (f)(3)(ii) of this AD, at the time specified.

(i) Before the accumulation of 10,800 total flight cycles since first flight of the airplane, or within 6 months after accomplishing the requirements specified in paragraph (f)(1)(i) of this AD, whichever occurs later: Modify the affected spoiler servo-controls on one hydraulic circuit in accordance with the Accomplishment Instructions of Airbus Service Bulletin A330-27-3110, Revision 03, dated September 3, 2008; or Airbus Service Bulletin A340-27-4115, Revision 01, dated March 2, 2007; as applicable.

(ii) Within 18 months after the effective date of this AD: Modify the remaining affected spoiler servo-controls in accordance with the Accomplishment Instructions of Airbus Service Bulletin A330-27-3110, Revision 03, dated September 3, 2008; or Airbus Service Bulletin A340-27-4115, Revision 01, dated March 2, 2007; as applicable.

(4) If one affected hydraulic circuit is identified during the inspection required by paragraph (f)(1) of this AD: Within 18 months after the effective date of this AD, modify the affected spoiler servo-controls in accordance with the Accomplishment Instructions of Airbus Service Bulletin A330-27-3110, Revision 03, dated September 3, 2008; or Airbus Service Bulletin A340-27-4115, Revision 01, dated March 2, 2007; as applicable.

(5) For airplanes that have accumulated less than or equal to 8,500 total flight cycles since first flight of the airplane as of the effective date of this AD: Do the actions required by paragraphs (f)(5)(i) and (f)(5)(ii) of this AD, as applicable.

(i) Within 9 months after the effective date of this AD: Do the actions specified in paragraph (f)(1)(i) of this AD. If there is no spoiler servo-control installed with a part number identified in Table 1 of this AD, no further action is required by this paragraph.

(ii) If there is any spoiler servo-control installed with a part number identified in Table 1 of this AD: Within 18 months after the effective date of this AD, modify all the affected spoiler servo-controls in accordance with the Accomplishment Instructions of Airbus Service Bulletin A330-27-3110, Revision 03, dated September 3, 2008; or Airbus Service Bulletin A340-27-4115, Revision 01, dated March 2, 2007; as applicable.

(6) As of the effective date of this AD, no person may install any spoiler servo-control with a part number identified in Table 1 of this AD on any airplane as a replacement part, unless the part has been modified in accordance with the Accomplishment Instructions of Airbus Service Bulletin A330-27-3110, Revision 03, dated September 3, 2008; or Airbus Service Bulletin A340-27-4115, Revision 01, dated March 2, 2007; as applicable.

(7) Actions accomplished before the effective date of this AD in accordance with the service bulletins specified in Table 2 of this AD are considered acceptable for compliance with the corresponding requirements of this AD.

Note 1: This AD differs from the MCAI and/or service information as follows: No differences.