Is AD 2012-12-02 a recurring Airworthiness Directive?

No — AD 2012-12-02 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 2012-12-02 apply to?

AD 2012-12-02 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 2012-12-02

one-time

Official AD 2012-12-02 · FR doc 2012-14042 · 2012-06-18 · airframe

Airworthiness Directives; Bombardier, Inc. Airplanes

What this AD requires

We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes, Model CL-600-2D15 (Regional Jet Series 705) airplanes, and Model CL-600-2D24 (Regional Jet Series 900) airplanes. This AD was prompted by reports of a bleed air leak from the high pressure ducts which was not immediately detected by the bleed leak detection system. This AD requires installing new sensing elements in the main landing gear wheel well and the overwing area, protective blankets on the upper surface of the wing box and fuel tubes, and protective shields on the rudder quadrant support-beam in the aft equipment compartment. We are issuing this AD to prevent an undetected bleed air leak which can cause loss of rudder control, can lead to degradation of structural integrity, and could be a potential heat source that can lead to fuel being ignited.

Which aircraft AD 2012-12-02 applies to

MakesBombardier

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

Serial-conditional — narrows to serials 10003–10331, 15001–15279.

Serial numbers 10003-10331 apply to CL-600-2C10 (Regional Jet Series 700/701/702); serial numbers 15001-15279 apply to CL-600-2D15 (Regional Jet Series 705) and CL-600-2D24 (Regional Jet Series 900).

Whether AD 2012-12-02 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 2012-12-02 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.