Is AD 2017-17838 a recurring Airworthiness Directive?

Yes — AD 2017-17838 requires a repetitive inspection every 12 months. Next-due depends on the aircraft's time in service.

Airworthiness Directive 2017-17838

Q: Which aircraft does AD 2017-17838 apply to?

AD 2017-17838 applies to Viking Air Limited, Bombardier, Inc., Canadair Limited — models CL-215-1A10, CL-215-6B11, CL-215. Serial/part conditions may narrow it to specific aircraft.

recurring

AD 2017-17838 · 2017-09-06 · airframe

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc.; Canadair Limited) Airplanes

What this AD requires

We are superseding Airworthiness Directive (AD) 2011-03-08, which applied to certain Bombardier, Inc., Model CL-215-1A10 (CL-215), CL-215-6B11 (CL-215T Variant), and CL-215-6B11 (CL-415 Variant) airplanes. AD 2011-03-08 required an inspection to determine the number of flight cycles accumulated by certain accumulators installed on the airplane, and repetitive inspections of the accumulators for cracks, and replacement if necessary. This AD retains those inspections and the accumulator replacement if necessary, and adds a new terminating action to address the identified unsafe condition. This AD was prompted by the development of a terminating action for the repetitive inspections. We are issuing this AD to address the unsafe condition on these products.

Repetitive inspection. Re-inspect every 12 months. The next-due date/hours depend on this aircraft’s time in service — a records report computes it from the logbooks.

Which aircraft AD 2017-17838 applies to

MakesViking Air LimitedBombardier, Inc.Canadair Limited

ModelsCL-215-1A10, CL-215-6B11, CL-215

Serial-conditional — narrows to serials 1001–1125, 1056–1125, 2001–2990.

Type certificate previously held by Bombardier, Inc. (Canadair Limited); currently held by Viking Air Limited. Serial ranges correspond respectively to: CL-215-1A10 (CL-215 variant) SN 1001-1125; CL-215-6B11 (CL-215T variant) SN 1056-1125; CL-215-6B11 (CL-415 variant) SN 2001-2990.

Whether AD 2017-17838 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.

Supersession

Supersedes AD 2011-03-08.

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 2017-17838 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.