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Airworthiness Directive 2017-26-09

one-time
Official AD 2017-26-09 · FR doc 2017-28146 · 2018-01-03 · airframe

Airworthiness Directives; ATR-GIE Avions de Transport Régional Airplanes

What this AD requires

We are adopting a new airworthiness directive (AD) for certain ATR--GIE Avions de Transport R[eacute]gional Model ATR 42-500 airplanes and Model ATR 72-212A airplanes. This AD requires a one-time inspection for damage of the engine fire extinguishing pipes and incorrect pipe installation, and corrective actions if necessary. This AD was prompted by a report of damage to an engine fire extinguishing pipe due to chafing between the pipe and a fastener assembly; the chafing occurred as a result of incorrect installation of the pipe. We are issuing this AD to address the unsafe condition on these products.

Which aircraft AD 2017-26-09 applies to

MakesAtr-Gie Avions De Transport Régional
ModelsATR42-500, ATR72-212A, ATR42, ATR72
Serial-conditional — narrows to serials 859–859, 1001–1010, 988–989, 993–1000, 1020–1142.

Two model groups: ATR42-500 (MSN 859, and MSNs 1001 through 1010); ATR72-212A (MSN 988 and 989; MSNs 993 through 1000 except MSN 996; and MSNs 1020 through 1142 except MSNs 1071, 1135, 1139, 1140, and 1141).

Whether AD 2017-26-09 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 2017-26-09 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.