Airworthiness directives › 2026-18-04
AD 2026-18-04 Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines
Models named: RB211 Trent 768-60, 772-60, 772B-60. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all Rolls-Royce Deutschland Ltd & Co KG (RRD) Model RB211 Trent 768-60, 772-60, and 772B-60 engines, with a low-pressure compressor (LPC) blade having part number (P/N) FK23411, FK25441, FK25968, FW11901, FW15393, FW23643, FW23741, FW23744, KH23403, KH23404, or LV11570, installed.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified in paragraphs (h) and (i) of this AD: Perform all required actions within the compliance times specified in, and in accordance with, European Union Aviation Safety Agency (EASA) AD 2025-0144, dated July 9, 2025 (EASA AD 2025-0144).
Unsafe condition
This AD was prompted by reports of LPC partial airfoil blade release events. The FAA is issuing this AD to prevent LPC blade airfoil separation. The unsafe condition, if not addressed, could result in engine nose cowl loss, under cowl fires, forward projection of secondary debris, damage to the engine, damage to the airplane, and injury to persons on the ground.
Affected ADs
This AD replaces AD 2020-06-16, Amendment 39-19885 (85 FR 17738, March 31, 2020).
Read the original on the Federal Register →
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1