Tue, Sep 07, 2021
AD 2021-17-04 Requires A One-Time Inspection Of The Area Around The Latch Hook Mounting Holes Of The Forward And Aft Door Frames
The FAA is adopting a new airworthiness directive (AD) for certain Airbus SAS Model A321-211, -231, and -232 airplanes.
This AD was prompted by a report of false drill starts found around the latch hook mounting holes of certain door frames of the fuselage due to erroneous manufacturing processes. This AD requires a one-time inspection of the area around the latch hook mounting holes of the forward and aft door frames to detect damage from false drill starts, and repair if necessary, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products. This AD is effective October 5, 2021.
Supplementary Information: EASA, which is the Technical Agent for the Member States of the European Union, has issued EASA AD 2020-0222, dated October 14, 2020 (EASA AD 2020-0222) (also referred to as the Mandatory Continuing Airworthiness Information, or the MCAI), to correct an unsafe condition for certain Airbus SAS Model A321-211, -231, and -232 airplanes.
The FAA issued a notice of proposed rulemaking (NPRM) to amend 14 CFR part 39 by adding an AD that would apply to certain Airbus SAS Model A321-211, -231, and -232 airplanes. The NPRM published in the Federal Register on March 8, 2021 (86 FR 13229). The NPRM was prompted by a report of false drill starts found around the latch hook mounting holes of certain door frames of the fuselage due to erroneous manufacturing processes. The NPRM proposed to require a one-time inspection of the area around the latch hook mounting holes of the forward and aft door frames to detect damage from false drill starts, and repair if necessary, as specified in EASA AD 2020-0222.
The FAA is issuing this AD to address damage from false drill starts, which could result in reduced structural integrity of the airplane. See the MCAI for additional background information.
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