Airworthiness directives › 2021-18-04
AD 2021-18-04 Airworthiness Directives; Airbus SAS Airplanes
Models named: A318-111, -112, -121, -122, A319-111, -113, -114, -115, -131, -132. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all Airbus SAS airplanes specified in paragraphs (c)(1) through (4) of this AD, certificated in any category. (1) Model A318-111, -112, -121, and -122 airplanes. (2) Model A319-111, -112, -113, -114, -115, -131, -132, -133, -151N, -153N, and -171N airplanes. (3) Model A320-211, -212, -214, -216, -231, -232, -233, -251N, -252N, -253N, -271N, -272N, and -273N airplanes. (4) Model A321-111, -112, -131, -211, -212, -213, -231, -232, -251N, -252N, -253N, -271N, -272N, -251NX, -252NX, -253NX, -271NX, and -272NX airplanes.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified in paragraph (h) of this AD: Comply with all required actions and compliance times specified in, and in accordance with, European Union Aviation Safety Agency (EASA) AD 2021-0049, dated February 18, 2021 (EASA AD 2021-0049).
Unsafe condition
This AD was prompted by reports of low halon concentration in the forward and aft cargo compartments due to air leakage through cargo door seals, and the certification of improved cargo door seals. The FAA is issuing this AD to address low halon concentration, which could affect the fire extinguishing system efficiency in the cargo compartments and possibly result in failure of the system to contain a cargo compartment fire.
Affected ADs
This AD affects AD 2020-16-01, Amendment 39-21185 (85 FR 47013, August 4, 2020) (AD 2020-16-01).
Read the original on the Federal Register →
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1