Is AD 2012-23-01 a recurring Airworthiness Directive?

No — AD 2012-23-01 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 2012-23-01 apply to?

AD 2012-23-01 applies to Cessna Aircraft Company — models 402C, 414A, 402, 414. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 2012-23-01

one-time

Official AD 2012-23-01 · FR doc 2012-27456 · 2012-11-21 · airframe

Airworthiness Directives; Cessna Aircraft Company Airplanes

What this AD requires

We are adopting a new airworthiness directive (AD) for all Cessna Aircraft Company (Cessna) Model 402C airplanes modified by Supplemental Type Certificate (STC) SA927NW and Model 414A airplanes modified by STC SA892NW. This AD was prompted by report of a Cessna Model 414A airplane modified by STC SA892NW that experienced an asymmetrical flap condition causing an uncommanded roll when the pilot set the flaps to the approach position. We are issuing this AD to prevent failure of the flap system, which could result in an asymmetrical flap condition. This condition could result in loss of control.

Which aircraft AD 2012-23-01 applies to

MakesCessna Aircraft Company

Models402C, 414A, 402, 414

Part-conditional — SA927NW, SA892NW.

Applies only to Model 402C airplanes modified by STC SA927NW and Model 414A airplanes modified by STC SA892NW.

Whether AD 2012-23-01 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 2012-23-01 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.