Airworthiness directives › 2023-25-12
AD 2023-25-12 Airworthiness Directives; Airbus SAS Airplanes
Models named: A318-112, A319-115, -132, -133, -151N, -153N, -171N, A320-211, -212, -214. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all Airbus SAS airplanes identified in paragraphs (c)(1) through (4) of this AD, certificated in any category. (1) Model A318-112 airplanes. (2) Model A319-115, -132, -133, -151N, -153N, and -171N airplanes. (3) Model A320-211, -212, -214, -231, -232, -251N, -252N, -253N, -271N, -272N, and -273N airplanes. (4) Model A321-112 airplanes.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified in paragraphs (h) and (i) of this AD: Comply with all required actions and compliance times specified in, and in accordance with, European Union Aviation Safety Agency (EASA) AD 2023-0014, dated January 18, 2023 (EASA AD 2023-0014). Thereafter, before the accumulation of 39,400 total flight cycles on any motoreductor, part number 4255417, 4394656, or 4339747, replace it with a serviceable part as defined in EASA AD 2023-0014.
Unsafe condition
This AD was prompted by a report that the fatigue life limit of the motoreductor, installed on the on-board entrance stairs, is not demonstrated for the complete airplane design service goal (DSG). The FAA is issuing this AD to address a motoreductor failure, which could be undetected until DSG is reached. The unsafe condition, if not addressed, could result in an airstairs deployment in flight, possibly resulting in loss of control of the airplane.
Affected ADs
None.
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