Transport Canada — Airworthiness Directive (CAWIS)
Transport Canada — Airworthiness Directive (CAWIS) 2026-0172-E: Engine Oil – Oil Pump – De-Pairing. Applies to RB211 Trent 768-60, 772-60, 772B-60 and Trent 772C-60 engines, all serial…. Engine Oil (ATA 79). Issued 4 Sept 2026.
Sources: EASA, FAA, Transport Canada and the UK CAA — official safety advisories and notices, linked to the issuing authority. Informational only; consult the original document for current requirements.
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