Airworthiness directives › 2017-10-04
AD 2017-10-04 Airworthiness Directives; Embraer S.A. Airplanes
Models named: EMB-120, EMB-120ER, EMB-120FC, EMB-120QC, EMB-120RT. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Embraer S.A. Model EMB-120, EMB-120ER, EMB-120FC, EMB-120QC, and EMB-120RT airplanes, certificated in any category, all serial numbers.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 90 days after the effective date of this AD, revise the maintenance or inspection program, as applicable, by incorporating the life-limited landing gear parts and the applicable safe-life limits identified in table 1 to paragraph (g) of this AD, as specified in EMB-120 Brasilia Maintenance Review Board (MRB) Report, Temporary Revision 28-1, dated May 17, 2016. Table 1 to Paragraph ( g ) of This AD—Life-Limited Landing Gear Parts Part No. Description Safe-life limits (landings) 19699-001-00 Pin drag strut, lower 104,054 19429-000-00 Piston tube (pre-modification Embraer Service Bulletin 120-032-0514) 30,000 19429-000-00 Piston tube (post-modification Embraer Service Bulletin 120-032-0514) 90,000 19946-001-00 Pin leg hinge 90,000 20030-001-00 Pin torque link 90,000 19437-000-00 Drag strut, upper half 104,054 20031-001-00 Pin drag strut hinge 104,054 19414-000-00 Piston tube 90,000 19919-000-00 Pin leg hinge 90,000
Unsafe condition
This AD was prompted by changes to the airworthiness limitations, which add life-limited landing gear parts not previously identified. We are issuing this AD to prevent life-limited landing gear parts from being used beyond their safe-life limits, which could lead to collapse of the landing gear.
Affected ADs
None.
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