Is AD 2014-04-08 a recurring Airworthiness Directive?

No — AD 2014-04-08 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 2014-04-08 apply to?

AD 2014-04-08 applies to Bombardier — models CL-600-2B19, CL-600. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 2014-04-08

one-time

Official AD 2014-04-08 · FR doc 2014-03825 · 2014-03-03 · airframe

Airworthiness Directives; Bombardier, Inc. Airplanes

What this AD requires

We are adopting a new airworthiness directive (AD) for all Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes. This AD was prompted by reports of burr marks on the primary wheels, and cracked rings on the primary wheel shaft, on certain horizontal stabilizer trim actuators (HSTAs). This AD requires replacing certain HSTAs. We are issuing this AD to prevent burr marks on the primary wheels, and cracked rings on the primary wheel shaft, on certain HSTAs, which may lead to a disconnect of the pitch trim surface and subsequent loss of pitch control, resulting in loss of control of the airplane.

Which aircraft AD 2014-04-08 applies to

MakesBombardier

ModelsCL-600-2B19, CL-600

Serial-conditional — narrows to serials 7003–?.

Regional Jet Series 100 & 440; serial numbers 7003 and subsequent.

Whether AD 2014-04-08 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 2014-04-08 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.