Airworthiness Directive · Amendment 39-16814 · Standard practices/structures
Gulfstream Aerospace LP Model Galaxy and Gulfstream 200 Airplanes
This AD applies to Gulfstream Aerospace LP Model Galaxy and Gulfstream 200 airplanes, certificated in any category, serial numbers 219 through 231 inclusive.
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Within 12 months after the effective date of this AD, do the applicable actions specified in paragraphs (g)(1) and (g)(2) of this AD, in accordance with the Accomplishment Instructions in Gulfstream Service Bulletin 200-51-366, dated March 30, 2010, including Appendix A: Israel Aircraft Industries Document IS951400E, Radiographic Inspection of Self-Locking Nut P/N MS21042L3, Revision A, dated January 25, 2010.
(1) For all airplanes: Replace nuts having part number (P/N) MS21042L3 in the applicable areas identified in Steps 4, 5, 6, and 7 of the Accomplishment Instructions of Gulfstream Service Bulletin 200-51-366, dated March 30, 2010, including Appendix A: Israel Aircraft Industries Document IS951400E, Radiographic Inspection of Self-Locking Nut P/N MS21042L3, Revision A, dated January 25, 2010.
(2) For airplanes having serial numbers 224 through 231 inclusive: Do the actions in paragraphs (g)(2)(i) and (g)(2)(ii).
(i) Replace nuts having P/N MS21042L3 at the location specified in Step 8.H. of the Accomplishment Instructions of Gulfstream Service Bulletin 200-51-366, dated March 30, 2010, including Appendix A: Israel Aircraft Industries Document IS951400E, Radiographic Inspection of Self-Locking Nut P/N MS21042L3, Revision A, dated January 25, 2010.
(ii) Do a radiographic inspection for cracking of nuts having P/N MS21042L3 at the location specified in Step 8.J. of the Accomplishment Instructions of Gulfstream Service Bulletin 200-51-366, dated March 30, 2010, including Appendix A: Israel Aircraft Industries Document IS951400E, Radiographic Inspection of Self-Locking Nut P/N MS21042L3, Revision A, dated January 25, 2010. Before further flight replace all cracked nuts.
Note 1: This AD differs from the MCAI and/or service information as follows: No differences.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
