Is AD 2002-06-52 a recurring Airworthiness Directive?

No — AD 2002-06-52 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 2002-06-52 apply to?

AD 2002-06-52 applies to Bell — models 407. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 2002-06-52

one-time

Official AD 2002-06-52 · FR doc 02-9173 · 2002-04-17 · airframe

Airworthiness Directives; Bell Helicopter Textron Canada Model 407 Helicopters

What this AD requires

This document publishes in the Federal Register an amendment adopting Airworthiness Directive (AD) 2002-06-52, which was sent previously to all known U.S. owners and operators of Bell Helicopter Textron Canada (BHTC) Model 407 helicopters by individual letters. This AD requires a one-time replacement of certain bearings and, before further flight, adding a limitation and caution to the rotorcraft flight manual (RFM) and at specified intervals, inspecting, replacing, and lubricating certain oil cooler blower bearings. This AD is prompted by several occurrences of failure of an oil cooler blower bearing. The actions specified by this AD are intended to prevent failure of an oil cooler blower bearing, loss of tail rotor drive, and a subsequent forced landing.

Which aircraft AD 2002-06-52 applies to

MakesBell

Models407

Part-conditional — 406-040-339-ALL, 407-340-339-103, 407-340-339-101.

Bell 407 oil cooler blower bearing inspection/lubrication/replacement; required action and interval depend on which bearing P/N is installed.

Whether AD 2002-06-52 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 2002-06-52 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.