Power Plant — Engine Air Inlet Cowl Acoustic Panels — Inspection / Repair / Replacement
- Published
- Effective
- Deadline
- Replaces
- 2011-0173R1
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of affected Airbus A330 models must perform special detailed inspections of the engine air inlet cowl acoustic panels within six months of the directive's effective date or according to the inspection service bulletin, whichever is later, and then at intervals not exceeding 12 months. If disbonding is found, corrective actions such as repair or replacement must be completed promptly. Installation of affected parts is allowed only if they are serviceable, and modification per the approved service bulletin can terminate repetitive inspections.
Summary
EASA Airworthiness Directive 2019-0042 is an official regulatory document addressing inspection, repair, and replacement of engine air inlet cowl acoustic panels on Airbus A330-243, A330-243F, A330-341, A330-342, and A330-343 aeroplanes equipped with Rolls-Royce Trent 700 engines. The directive focuses on affected parts with Part Numbers SJ30020 and SJ30361 to prevent potential in-flight detachment of acoustic panels. It mandates repetitive detailed inspections and corrective actions to ensure continued airworthiness.
What changed
This directive supersedes EASA AD 2011-0173R1 and introduces amended inspection thresholds and intervals for the special detailed inspections (SDI) of affected engine air inlet cowl acoustic panels. It also allows for repair or replacement of damaged panels and recognizes the installation of improved inner acoustic panels as a terminating action for repetitive inspections. Additionally, it permits modification of post-modification aeroplanes back to pre-modification configuration under certain conditions.
Why it matters
This directive is critical for aviation professionals as it addresses a safety risk involving potential acoustic panel collapse, which could cause damage to the aircraft, engine ingestion hazards, or injury on the ground. Operators and maintenance teams must comply to prevent in-flight failures and ensure regulatory compliance. The updated inspection program and repair requirements help maintain the structural integrity of engine air inlet cowls and reduce operational risks.
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