# Proposed AD FAA-2013-0797: The Boeing Company Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2017-01-09
- Products: Boeing
- Product type: Aircraft
- Action: Supplemental notice of proposed rulemaking (NPRM); reopening of comment period.
- Published: May 27, 2016, 81 FR 33612
- Comments due: July 11, 2016
- Became: [AD 2017-01-09](https://openairdocs.org/ad/2017-01-09)
- Docket: FAA-2013-0797 (https://www.regulations.gov/docket/FAA-2013-0797, where comments are filed)
- Project: 2013-NM-007-AD
- FR document: 2016-12353
- Official PDF: https://openairdocs.org/files/sha256/fc/b6/fcb62d64fd832d3a1bac39319f69742dabaee92b96b35580655b7ea9039117b6 (from https://www.govinfo.gov/content/pkg/FR-2016-05-27/pdf/2016-12353.pdf)
- Federal Register: https://www.federalregister.gov/documents/2016/05/27/2016-12353/airworthiness-directives-the-boeing-company-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D9C288E36CB06F0B86257FC0004C71F8.0001
- Page: https://openairdocs.org/proposed/FAA-2013-0797

## Summary

We are revising an earlier proposed airworthiness directive (AD) for certain The Boeing Company Model 767-300 and 767-300F series airplanes. The NPRM proposed to require modification and installation of components in the main equipment center. For certain other airplanes, the NPRM proposed to require modification, replacement, and installation of flight deck air relief system (FDARS) components. The NPRM was prompted by reports of malfunctions in the flight deck display units, which resulted in blanking, blurring, or loss of color on the display. This action revises the NPRM by revising the applicability; adding certain modifications; and clarifying certain requirements. We are proposing this supplemental NPRM (SNPRM) to prevent malfunctions of the flight deck display units, which could affect the ability of the flightcrew to read the displays for airplane attitude, altitude, or airspeed, and consequently reduce the ability of the flightcrew to maintain control of the airplane. Since these actions impose an additional burden over that proposed in the NPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes.

## Notices in this docket

- Sep 25, 2013: Notice of proposed rulemaking (NPRM). (first notice), FR document 2013-23273, comments due Nov 12, 2013 (https://www.federalregister.gov/documents/2013/09/25/2013-23273/airworthiness-directives-the-boeing-company-airplanes)
- May 27, 2016: Supplemental notice of proposed rulemaking (NPRM); reopening of comment period., FR document 2016-12353, comments due Jul 11, 2016 (https://www.federalregister.gov/documents/2016/05/27/2016-12353/airworthiness-directives-the-boeing-company-airplanes)

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