Engine – Low Pressure Compressor Blades – Inspection / Replacement
Superseded. Comply with 2018-0188R1, which replaces this document.
- Published
- Effective
- Deadline
- Replaces
- 2016-0141
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators must perform ultrasonic inspections of affected low pressure compressor blades within specified flight cycle thresholds and at intervals not exceeding 1,200 flight cycles. Any blade failing inspection must be replaced before further flight. Installation of affected blades is permitted only if they meet inspection and flight cycle criteria. Compliance deadlines start from the effective date of 20 December 2017.
Summary
EASA Airworthiness Directive 2017-0241 is an airworthiness directive addressing Rolls-Royce RB211 Trent 700 engines installed on Airbus A330 aircraft. It mandates ultrasonic inspections and potential replacement of low pressure compressor blades to prevent blade release events that could cause engine damage or injury. The directive applies to specific part numbers of compressor blades and outlines inspection intervals and corrective actions.
What changed
This directive supersedes EASA AD 2016-0141 and reduces the inspection threshold and interval for ultrasonic inspections of affected low pressure compressor blades. It retains previous inspection and replacement requirements but introduces more stringent compliance times based on updated risk analysis.
Why it matters
This directive is critical for aviation professionals as it addresses a safety risk involving low pressure compressor blade failures that could lead to engine damage and potential hazards to aircraft and ground personnel. Operators and maintenance organizations must comply to ensure continued airworthiness and avoid operational disruptions or safety incidents.
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