Is AD 03-17773 a recurring Airworthiness Directive?

No — AD 03-17773 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 03-17773 apply to?

AD 03-17773 applies to Aerospatiale — models ATR72. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 03-17773

one-time

AD 03-17773 · 2003-07-18 · airframe

Airworthiness Directives; Aerospatiale Model ATR42 Series Airplanes and Model ATR72 Series Airplanes

What this AD requires

This amendment adopts a new airworthiness directive (AD), applicable to certain Aerospatiale Model ATR42-200, -300, -320, and - 500 series airplanes; and Model ATR72 series airplanes; that requires replacement of a certain Automatic Takeoff Power Control System (ATPCS) test selector switch with a different test selector switch. This action is necessary to prevent shorting of a contact in the ATPCS test selector switch due to abnormal wear of contact surfaces, which could result in dual engine power drop with associated loss of both alternating current wild and main hydraulic power during ground maneuvers, and consequent reduced controllability of the airplane and increased flightcrew workload. This action is intended to address the identified unsafe condition.

Which aircraft AD 03-17773 applies to

MakesAerospatiale

ModelsATR72

certain

Whether AD 03-17773 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 03-17773 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.