AD 2010-10-24

Unless already done, do the following actions.

(1) For airplanes on which each new or previously overhauled MLG shock absorber has accumulated 4,200 or more total landings since new or overhauled as of the effective date of this AD: Within 8 months after the effective date of this AD, inspect the shock absorber for damage, in accordance with the Accomplishment Instructions of Dassault Mandatory Service Bulletin F2000-366, Revision 2; or F2000EX-167, Revision 1; both dated December 1, 2008; as applicable. If any damage is found, repair the shock absorber at the time specified in Table 1 of this AD, in accordance with the Accomplishment Instructions of Dassault Mandatory Service Bulletin F2000-366, Revision 2; or F2000EX-167, Revision 1; both dated December 1, 2008; as applicable.

(2) For airplanes on which each new or previously overhauled MLG shock absorber has accumulated 1,900 or more total landings and less than 4,200 total landings since new or overhauled as of the effective date of this AD: At the applicable compliance time specified in paragraph (f)(2)(i) or (f)(2)(ii) of this AD, inspect the shock absorber for damage, in accordance with the Accomplishment Instructions of Dassault Mandatory Service Bulletin F2000-366, Revision 2; or F2000EX-167, Revision 1; both dated December 1, 2008; as applicable. If any damage is found, repair the shock absorber at the applicable time specified in Table 1 of this AD, in accordance with the Accomplishment Instructions of Dassault Mandatory Service Bulletin F2000-366, Revision 2; or F2000EX-167, Revision 1; both dated December 1, 2008; as applicable.

(i) For airplanes on which 6 or more steep-approach landings have been performed before the effective date of this AD: Within 8 months after the effective date of this AD, do the actions required by paragraph (f)(2) of this AD.

(ii) For airplanes on which less than or equal to 5 steep-approach landings have been performed before the effective date of this AD: Within 18 months after the effective date of this AD or 5,000 total landings since new or overhauled, whichever occurs first, do the actions required by paragraph (f)(2) of this AD.

(3) For airplanes on which each new or previously overhauled MLG shock absorber has accumulated less than 1,900 total landings since new or overhauled as of the effective date of this AD: Before the accumulation of 3,000 total landings since new or overhauled, inspect the shock absorber for damage, in accordance with the Accomplishment Instructions of Dassault Mandatory Service Bulletin F2000-366, Revision 2; or F2000EX-167, Revision 1; both dated December 1, 2008; as applicable. If any damage is found, repair the shock absorber at the time specified in Table 1 of this AD, in accordance with the Accomplishment Instructions of Dassault Mandatory Service Bulletin F2000-366, Revision 2; or F2000EX-167, Revision 1; both dated December 1, 2008; as applicable.

(4) Repeat the inspections required by paragraphs (f)(1), (f)(2), and (f)(3) of this AD, as applicable, thereafter at intervals not to exceed 1,900 landings until accomplishment of the actions specified in paragraph (f)(6) of this AD.

(5) Accomplishment of any inspection or repair before the effective date of this AD in accordance the applicable service information specified in Table 2 of this AD is acceptable for compliance with the corresponding requirements of this AD.

(6) For airplanes on which Dassault Modification M3120 has not been embodied as of the effective date of this AD: Before the accumulation of 6,000 total landings or 144 months on each new or previously overhauled MLG shock absorber, whichever occurs first: Modify the existing left- and right-hand MLG shock absorbers by installing MLG shock absorbers with part number (P/N) D23365000-4 or P/N D23366000-4 (for Model Falcon 2000 airplanes), or P/N D23745000-2 or P/N D23746000-2 (for Model Falcon 2000EX airplanes), in accordance with the Accomplishment Instructions of Dassault Service Bulletin F2000EX-185, Revision 2; or F2000-367, Revision 4; both dated February 4, 2009; as applicable. Where these service bulletins specify contacting the manufacturer for repair instructions, contact the manufacturer and do the repair at the applicable compliance times specified in the Accomplishment Instructions of the applicable service bulletin.

(7) Accomplishment of the modification required by paragraph (f)(6) of this AD before the effective date of this AD in accordance with the applicable service information specified in Table 3 of this AD is acceptable for compliance with the corresponding requirements of this AD.

(8) Accomplishment of the modification required by paragraph (f)(6) of this AD ends the repetitive inspections required by paragraph (f)(4) of this AD.

(9) As of the effective date of this AD, no person may install on any airplane as a replacement part, a MLG shock absorber, unless it has been modified according to the requirements specified in paragraph (f)(6) of this AD.

Note 1: This AD differs from the MCAI and/or service information as follows: Paragraph (1) of the MCAI requires updating the operator's maintenance program; however, that action is not required by this AD. The maintenance program does not require FAA approval.