Is AD 2026-13655 a recurring Airworthiness Directive?

No — AD 2026-13655 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 2026-13655 apply to?

AD 2026-13655 applies to Airbus Canada Limited Partnership — models BD-500-1A10, BD-500-1A11, BD-500. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 2026-13655

one-time

AD 2026-13655 · 2026-07-07 · airframe

Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

What this AD requires

The FAA is adopting a new airworthiness directive (AD) for all Airbus Canada Limited Partnership Model BD-500-1A10 and BD-500-1A11 airplanes. The FAA previously sent this AD as an emergency AD to all known U.S. owners and operators of these airplanes. This AD was prompted by a report of several missing or broken high pressure valve (HPV) butterfly clips found in a repair shop. This AD prohibits dispatching an airplane under certain dispatch provisions corresponding to master minimum equipment list (MMEL) items for the wing anti-ice system, wing anti ice pressure sensor, fan air valve (FAV), bleed air systems, engine bleed pressure regulating shutoff valve (PRSOV), HPV, and pack bleed air leak and overheat detection loop; and prohibits dispatching an airplane if certain crew alerting system (CAS) messages and associated info messages are displayed. The FAA is issuing this AD to address the unsafe condition on these products.

Which aircraft AD 2026-13655 applies to

MakesAirbus Canada Limited Partnership

ModelsBD-500-1A10, BD-500-1A11, BD-500

Type Certificate previously held by C Series Aircraft Limited Partnership (CSALP) and Bombardier, Inc.

Whether AD 2026-13655 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.

How AD compliance is recorded

A valid compliance record (14 CFR 43.9) states:

Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.

Date — When the work was done.

Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.

Signature & certificate — The A&P/IA who returned it to service, with certificate number.

Is AD 2026-13655 complied with on your aircraft?

Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.

Look up a tail number →Read the full directive (Federal Register)

Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.