Flight Controls – Flap Actuator – Inspections / Modification
- Published
- Effective
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of DA 50 C aeroplanes must inspect the flap actuator within 50 flight hours or 12 months from 31 July 2026, modify the actuator within 100 flight hours or 12 months, and perform repetitive inspections every 200 flight hours or 12 months thereafter. Any discrepancies found during inspections must be corrected before further flight, following the instructions in the Diamond Aircraft Industries Work Instruction WI-MSB 50-016. Contact Diamond Aircraft Industries for guidance if required.
Summary
EASA Airworthiness Directive 2026-0140 is an airworthiness directive affecting all serial numbers of Diamond Aircraft Industries GmbH DA 50 C aeroplanes. It addresses issues with the flap actuator that could cause flap extension failure and reduced aileron control. The directive mandates inspections and modifications to the flap actuator to ensure continued safe operation.
What changed
EASA Airworthiness Directive 2026-0140 introduces new requirements for repetitive inspections and modification of the flap actuator on DA 50 C aeroplanes. It requires initial inspection within 50 flight hours or 12 months, modification within 100 flight hours or 12 months, and ongoing inspections every 200 flight hours or 12 months thereafter. The directive also mandates corrective actions if discrepancies are found during inspections.
Why it matters
This directive is critical for aviation professionals as it addresses a safety risk where flap actuator failure can impair flap extension and aileron control, potentially reducing aircraft controllability. Operators and maintenance organizations must comply to prevent unsafe conditions and ensure regulatory compliance. Failure to comply could lead to operational restrictions or safety incidents.
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