Hydraulic Power — Pylon / Engine Interface Rods — Inspection / Replacement
- Published
- Effective
- Replaces
- 2021-0177R2
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of affected Airbus A319, A320, and A321 aircraft must perform detailed inspections of original rods before 750 flight hours since manufacture or within 375 flight hours after 6 August 2021, and updated rods within specified flight hour intervals. Defective rods must be replaced before the next flight. Modification according to Airbus SB A320-54-1054 can be performed as a terminating action to repetitive inspections. Compliance deadlines vary by aircraft group and rod type, with the latest revision effective from 22 July 2025.
Summary
EASA Airworthiness Directive 2021-0177R3 is a regulatory update addressing inspection and replacement requirements for hydraulic power pylon/engine interface rods installed on Airbus A319, A320, and A321 aircraft models. The directive applies to specific part numbers of interface rods and mandates repetitive detailed inspections and corrective actions to prevent potential fuel or hydraulic leaks caused by rod end damage. It also introduces optional terminating actions through modification to enhance safety and compliance.
What changed
This revision of EASA AD 2021-0177 introduces an optional terminating action via Airbus Modification Service Bulletin A320-54-1054, allowing operators to end repetitive inspections after modification. It removes the previous reporting requirement and adds credit for certain Airbus Service Bulletin compliance, correcting prior reference errors. The update also clarifies conditions under which the terminating action is applicable.
Why it matters
This directive is critical for aviation professionals as it addresses a safety risk involving potential fuel or hydraulic leaks due to damaged pylon/engine interface rods. Operators and maintenance organizations must ensure timely inspections and replacements to prevent in-flight hazards. Compliance with this AD ensures continued airworthiness and regulatory adherence, reducing the risk of operational disruptions and safety incidents.
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