Airworthiness directives › 2014-16-23
AD 2014-16-23 Airworthiness Directives; Dassault Aviation Airplanes
Models named: FALCON 7X. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all Dassault Aviation Model FALCON 7X airplanes, certificated in any category, all serial numbers.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
This paragraph restates the requirements of paragraph (g) of AD 2011-16-01, Amendment 39-16759 (76 FR 47424, August 5, 2011). Before further flight, do the applicable actions specified in paragraphs (g)(1), (g)(2), and (g)(3) of this AD. (1) For airplanes on which Dassault Mandatory Service Bulletin 7X-211, Revision 1, dated June 14, 2011, has not been done as of August 22, 2011 (the effective date of AD 2011-16-01, Amendment 39-16759 (76 FR 47424, August 5, 2011)): Modify the airplane by adding an automatic reversion logic and a means for the pilot to override pitch trim control normal modes, and install placards in the cockpit in full view of the pilots, in accordance with paragraph 2., “Accomplishment Instructions for Aircraft which have not Already Implemented the Revision 1 of the Service Bulletin,” of Dassault Mandatory Service Bulletin 7X-211, Revision 2, dated June 22, 2011, including New Standard Installation Checklist and Appendix A, and including FCS Data Loading Procedure, Issue D, dated May 28, 2010. (2) For airplanes on which Dassault Mandatory Service Bulletin 7X-211, Revision 1, dated June 14, 2011, has been done as of August 22, 2011 (the effective date of AD 2011-16-01, Amendment 39-16759 (76 FR 47424, August 5, 2011)): Replace the frame of the emergency switch box, in accordance with paragraph 3., “Accomplishment Instructions for Aircraft which have Already Implemented Revision 1 of this Service Bulletin,” of Dassault Mandatory Service Bulletin 7X-211, Revision 2, dated June 22, 2011, including New Standard Installation Checklist and Appendix A, and including FCS Data Loading Procedure, Issue D, dated May 28, 2010. (3) For airplanes equipped with any horizontal stabilizer electronic control unit (HSECU) part number (P/N) 051244-04, replace the HSECU with any HSECU identified in paragraph (g)(3)(i), (g)(3)(ii), or (g)(3)(iii) of this AD, in accordance with the Accomplishment Instructions of Dassault Mandatory Service Bulletin 7X-212, Revision 2, dated July 7, 2011. (i) HSECU P/N 051244-02. (ii) Verified HSECU P/N 051244-04 having a stamped “V.” (iii) HSECU P/N 051244-05.
Unsafe condition
This AD was prompted by an uncontrolled pitch trim runaway during descent. We are issuing this AD to prevent an uncontrolled pitch trim runaway, which could result in loss of control of the airplane.
Affected ADs
This AD replaces AD 2011-16-01, Amendment 39-16759 (76 FR 47424, August 5, 2011).
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