EASA AD 2020-0253
Engine — Low Pressure Compressor Blades / Discs — Inspection / Re-lubrication / Restoration
EASA Airworthiness Directive 2020-0253 is an airworthiness directive addressing Rolls-Royce Deutschland RB211 Trent 700 engines, specifically models Trent 768-60, Trent 772-60, Trent 772B-60, and Trent 772C-60, commonly installed on Airbus A330 aircraft. The directive mandates inspection, re-lubrication, and restoration of low pressure compressor blades and discs with specified part and serial numbers to prevent potential blade or disc failure. It includes instructions for repetitive on-wing ultrasonic inspections and in-shop restoration to ensure continued airworthiness.