Is AD 2010-20490 a recurring Airworthiness Directive?

No — AD 2010-20490 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 2010-20490 apply to?

AD 2010-20490 applies to Hawker Beechcraft Corporation — models 390. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 2010-20490

one-time

AD 2010-20490 · 2010-08-25 · airframe

Airworthiness Directives; Hawker Beechcraft Corporation (Type Certificate No. A00010WI Previously Held by Raytheon Aircraft Company) Model 390 Airplanes

What this AD requires

We are adopting a new airworthiness directive (AD) for certain Hawker Beechcraft Corporation Model 390 airplanes. This AD requires you to inspect for installation of certain serial number (S/N) starter generators and replace the starter generator if one with an affected serial number is found. This AD results from reports that starter generators with deficient armature insulating materials may have been installed on certain airplanes. We are issuing this AD to detect and replace starter generators with defective armature insulating materials. This condition could result in the loss of operation of one or both starter generators with consequent loss of all non battery electrical power.

Which aircraft AD 2010-20490 applies to

MakesHawker Beechcraft Corporation

Models390

Serial-conditional — narrows to serials RB-4–RB-257, RB-259–RB-265, RB-268–RB-268, RB-269–RB-269.

Whether AD 2010-20490 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 2010-20490 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.