Transport Canada — Airworthiness Directive (CAWIS)
Transport Canada — Airworthiness Directive (CAWIS) 2026-14-11: Air conditioning - tripped bat bus sect 2 or environmental control systems (ecs) circuit breaker that could lead to an air conditioning system malfunction. Applies to Boeing Company Model 737-8, 737-9, and 737-8200. Air Conditioning (ATA 21). Issued 9 Jul 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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