EASA AD 2024-0252-E
SUPERSEDED BY EASA EMERGENCY AD 2025-0039-E
Summary
EASA Airworthiness Directive 2024-0252-E is an emergency directive addressing Airbus Helicopters EC 175 B models. It mandates inspections and repairs of the left and right pylon reinforcement fittings, part numbers M536A1001231 and M536A1001232, due to reported loose rivets and cracks that could compromise the horizontal stabilizer's structural integrity.
What Changed
This new emergency airworthiness directive introduces mandatory repetitive inspections of the pylon reinforcement fittings on all EC 175 B helicopters. It requires corrective actions if loose rivets or cracks are found, including contacting Airbus Helicopters for repair instructions and performing follow-up inspections at specified intervals.
Why It Matters
This directive is critical for aviation professionals as it addresses a potential structural failure that could lead to loss of control of the helicopter. Operators and maintenance organizations must ensure compliance to maintain airworthiness and safety. The directive also provides clear inspection intervals and repair protocols to prevent in-flight failures.
What To Do
Operators of Airbus Helicopters EC 175 B must perform initial inspections within specified flight hour thresholds based on helicopter group classification, then continue inspections every 155 flight hours. If discrepancies such as loose rivets or cracks are found, repairs must be completed within 10 flight hours following the inspection, following Airbus Helicopters' instructions. Ongoing inspections are required after repairs at intervals defined in the directive.