Transportation Department Docket FAA-2015-3631 Proposed Rule

2016-13049: Airworthiness Directives; Airbus Airplanes

Comment Period Closed

Public comment closed .

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Summary

We are revising an earlier proposed airworthiness directive (AD) for certain Airbus Model A330-200 and -300 series airplanes; Model A330-200 Freighter series airplanes; and Model A340-200, -300, -500, and -600 series airplanes. The NPRM proposed to require modifying the cockpit door frame structure, installing bonding-leads to the upper cockpit door frame, and modifying the upper cockpit door plate cover. The NPRM was prompted by reports of chafed wiring at the upper left corner of the cockpit door. The affected wire bundle was not grounded on the cockpit door frame. This action revises the NPRM by also requiring, for certain airplanes, installing a noise-reduced cockpit door locking system (CDLS). We are proposing this supplemental NPRM (SNPRM) to prevent electrical shock injury to persons contacting the cockpit door. Since these actions impose an additional burden over those proposed in the NPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes.

The agency’s own summary, as published.

What this changes

Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.

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