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Airworthiness Directive 2018-05-11

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Official AD 2018-05-11 · FR doc 2018-04646 · 2018-03-09 · airframe

Airworthiness Directives; Airbus Airplanes

What this AD requires

We are adopting a new airworthiness directive (AD) for certain Airbus Model A320-214, -251N, and -271N airplanes. This AD requires an inspection for any damaged bolt and nut in each cargo fire extinguishing bottle installation, and replacement of any damaged bolt and nut. This AD was prompted by a report that a dynamometric key, previously used for installing the cargo fire extinguishing bottle system, was out of tolerance. As a result, an incorrect torque value may have been applied to the bolts maintaining the fire extinguishing bottles in place. We are issuing this AD to address the unsafe condition on these products.

Which aircraft AD 2018-05-11 applies to

MakesAirbus
ModelsA320-214, A320-251N, A320-271N, A320
Serial-conditional — narrows to serials 07126–07126, 07141–07141, 07189–07189, 07200–07200, 07221–07221, 07226–07226, 07235–07235, 07245–07245, 07251–07251, 07256–07256, 07264–07264, 07272–07272, 07279–07279, 07319–07319, 07337–07337, 07340–07340.

Whether AD 2018-05-11 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 2018-05-11 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.