Airworthiness directives › 2016-20-07
AD 2016-20-07 Airworthiness Directives; Fokker Services B.V. Airplanes
Models named: F28 Mark 0070, Mark 0100, F28 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. airplanes, certificated in any category, as identified in paragraphs (c)(1) and (c)(2) of this AD. (1) Model F28 Mark 0070 and Mark 0100 airplanes, all serial numbers (S/Ns). (2) Model F28 Mark 1000, 2000, 3000, and 4000 airplanes, S/Ns 11003 through 11110 inclusive and S/N 11992, modified in service as specified in Fokker Service Bulletin SBF28-32-123; and S/Ns 11111 through 11241 inclusive.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 18 months after the effective date of this AD, do a detailed inspection of the restrictor check valve filter screens to detect any degraded or failed filter screens including dents and missing wire, and install serviceable parts (hydraulic hose assemblies), in accordance with the Accomplishment Instructions of Fokker Service Bulletin SBF28-32-164, dated January 14, 2015 (for Model F28 Mark 1000, 2000, 3000, and 4000 airplanes); or SBF100-32-166, dated January 14, 2015 (for Model F28 Mark 0070 and 0100 airplanes); as applicable. Any affected hydraulic hose assembly must be replaced before further flight after the inspection.
Unsafe condition
This AD was prompted by reports indicating that the main landing gear (MLG) could not be extended and locked down during approach. We are issuing this AD to detect and correct any degraded or failed filter screens. This condition, if not corrected, could prevent MLG extension and lock-down and result in an emergency landing with consequent injury to occupants and damage to the airplane.
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