Is AD 2012-10-08 a recurring Airworthiness Directive?

No — AD 2012-10-08 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 2012-10-08 apply to?

AD 2012-10-08 applies to Bombardier — models CL-600-2C10, CL-600-2D15, CL-600-2D24, CL-600. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 2012-10-08

one-time

Official AD 2012-10-08 · FR doc 2012-12336 · 2012-05-22 · airframe

Airworthiness Directives; Bombardier, Inc. Airplanes

What this AD requires

We are superseding an existing airworthiness directive (AD) for certain Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), CL-600-2D15 (Regional Jet Series 705), and CL-600-2D24 (Regional Jet Series 900) airplanes. That AD currently requires a one- time inspection of the main landing gear (MLG) shock strut assemblies for part and serial numbers; for certain MLG shock strut assemblies, a one-time inspection of the torque link apex joint, and corrective actions if necessary; and, for certain MLG shock strut assemblies, replacement or rework of the apex nut. This new AD continues to require the actions in the existing AD, and adds the previously omitted part and serial numbers. This AD was prompted by reports of loose or detached main landing gear (MLG) torque link apex pin locking plate and the locking plate retainer bolt in the torque link apex joint. We are issuing this AD to detect and correct improper assembly and damage of the MLG torque link apex joint, which could cause heavy vibration during landing, consequent damage to MLG components, and subsequent collapse of the MLG.

Which aircraft AD 2012-10-08 applies to

MakesBombardier

ModelsCL-600-2C10, CL-600-2D15, CL-600-2D24, CL-600

Serial-conditional — narrows to serials 10003–?, 15001–?.

S/N 10003 and subsequent apply to CL-600-2C10 (Regional Jet Series 700/701/702); S/N 15001 and subsequent apply to CL-600-2D15 (Regional Jet Series 705) and CL-600-2D24 (Regional Jet Series 900).

Whether AD 2012-10-08 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 2012-10-08 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.