Airworthiness directives › 2016-18-11
AD 2016-18-11 Airworthiness Directives; Gulfstream Aerospace Corporation Airplanes
Models named: G-1159, G-1159A, G-1159B, G-IV, GV, GIV-X, GV-SP. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to the Gulfstream Aerospace Corporation airplanes, certificated in any category, identified in paragraphs (c)(1) through (c)(7) of this AD. (1) All Model G-1159 airplanes. (2) All Model G-1159A airplanes. (3) All Model G-1159B airplanes. (4) All Model G-IV airplanes. (5) All Model GV airplanes. (6) Model GIV-X airplanes, serial numbers 4001 through 4350 inclusive. (7) Model GV-SP airplanes, serial numbers 5001 through 5542 inclusive.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Before the accumulation of 9,500 total landings on the MLG actuator end cap fitting, or within 90 days after the effective date of this AD, whichever occurs later: Replace the end cap fitting, in accordance with the applicable temporary revision (TR) identified in paragraphs (g)(1) through (g)(11) of this AD. For airplanes on which the number of total accumulated landings since new cannot be determined, do the replacement within 90 days after the effective date of this AD. (1) Gulfstream IIB Maintenance Manual TR 32-3, dated April 15, 2016. (2) Gulfstream IV Maintenance Manual TR 32-2, dated April 29, 2016. (3) Gulfstream G300 Maintenance Manual TR 32-2, dated April 29, 2016. (4) Gulfstream G400 Maintenance Manual TR 32-2, dated April 29, 2016. (5) Gulfstream G350 Maintenance Manual TR 32-1, dated April 22, 2016. (6) Gulfstream G450 Maintenance Manual TR 32-1, dated April 22, 2016. (7) Gulfstream G500 Maintenance Manual TR 32-1, dated May 20, 2016. (8) Gulfstream G550 Maintenance Manual TR 32-1, dated May 20, 2016. (9) Gulfstream V Maintenance Manual TR 32-2, dated May 20, 2016. (10) Gulfstream II Maintenance Manual TR 32-1, dated April 15, 2016. (11) Gulfstream III Maintenance Manual TR 32-1, dated April 15, 2016.
Unsafe condition
This AD was prompted by a report that the right main landing gear (MLG) failed to extend due to fatigue cracking of the end cap fitting. We are issuing this AD to prevent such cracking, which could result in depletion of the combined (left) and utility hydraulic system fluid and the nitrogen emergency blowdown system, failure of the combined (left) hydraulic system (all phrases) to provide adequate hydraulic pressure, and failure of the MLG to extend when commanded.
Affected ADs
None.
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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