Airworthiness directives › 2016-16-05
AD 2016-16-05 Airworthiness Directives; Fokker Services B.V. Airplanes
Models named: F.28 Mark 1000, 2000, 3000, 4000. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Fokker Services B.V. Model F.28 Mark 1000, 2000, 3000, and 4000 airplanes, certificated in any category, all serial numbers.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 24 months after the effective date of this AD, install fuses in the wiring of the solenoid of the level control pilot valve, the reed switch of the main tank overflow valve, the level float switch of the collector tank, and the solenoid of the main tank fueling shut-off valve, as applicable, in accordance with the Accomplishment Instructions of Fokker F28 Appendix Service Bulletin SBF28-28-056/APP01, dated July 15, 2014, and Fokker Proforma Service Bulletin SBF28-28-056, dated January 9, 2014.
Unsafe condition
This AD was prompted by a design review that revealed a hot spot may develop in the main fuel tank under certain failure conditions of the solenoid of the level control pilot valve, the reed switch of the main tank overflow valve, the level float switch of the collector tank, or the solenoid of the main tank fueling shut-off valve. We are issuing this AD to prevent an ignition source in the main fuel tank vapor space, which could result in a fuel tank explosion and consequent loss of the airplane.
Affected ADs
This AD affects AD 2011-17-03, Amendment 39-16767 (76 FR 50115, August 12, 2011) (“AD 2011-17-03”); and AD 2011-21-01, Amendment 39-16824 (76 FR 63156, October 12, 2011) (“AD 2011-21-01”).
Read the original on the Federal Register →
You just looked this one up by hand
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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