EASA AD 2018-0077
Apr 6, 2018Landing Gear – Hydraulic Line Restrictor Check Valve – Replacement
EASA Airworthiness Directive 2018-0077 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Fokker Services B.V. F28 aeroplanes, specifically the F28 Mark 0070 and Mark 0100 models. It addresses issues with hydraulic line restrictor check valves in the parking brake shut-off valve (PBSOV) hydraulic return line that may become obstructed by debris. The directive mandates replacement of these valves with improved versions incorporating a filter screen to ensure safe landing gear operation.
- Fokker F28