Airworthiness directives › 2018-25-03
AD 2018-25-03 Airworthiness Directives; Fokker Services B.V. Airplanes
Models named: F28 Mark 0070, 0100. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Fokker Services B.V. Model F28 Mark 0070 and 0100 airplanes, certificated in any category, all serial numbers.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For the purposes of this AD, the definitions in paragraphs (g)(1) through (g)(3) apply. (1) An affected part is any hydraulic restrictor check valve having part number (P/N) D71293-003, P/N D71295-401, or P/N D71296-401. (2) Group 1 airplanes are those that have an affected part installed. (3) Group 2 airplanes are those that do not have an affected part installed.
Unsafe condition
This AD was prompted by service experience showing that debris from the parking brake shut off valve (PBSOV) could create a partial blockage of the restrictor check valve in the hydraulic return line of the PBSOV. We are issuing this AD to address this condition, which, if not corrected, may prevent complete main landing gear extension, possibly resulting in damage to the airplane during landing, and consequent injury to occupants.
Affected ADs
This AD affects AD 2010-22-05, Amendment 39-16484 (75 FR 66649, October 29, 2010) (“AD 2010-22-05”).
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