# Airworthiness Directives; The Boeing Company Model 757 Airplanes, Model 767 Airplanes, and Model 777-200 and -300 Series Airplanes
> **Rule** · Final rule. · Published 2010-07-13 · Effective 2010-08-17 · 75 FR 39804
## Document
- **Document number:** 2010-17046
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company Model 757
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 75 FR 39804
- **Publication date:** 2010-07-13
- **Effective date:** 2010-08-17
- **FAA docket:** Docket No. FAA-2008-0274
## Abstract

We are adopting a new airworthiness directive (AD) for certain Model 757 airplanes, Model 767 airplanes, and Model 777-200 and -300 series airplanes. This AD requires repetitive inspections for damage of the electrical terminal at the left and right flightdeck window 1, and corrective actions if necessary. This AD also allows for replacing the flightdeck window 1 with a new improved flightdeck window equipped with different electrical connections, which terminates the repetitive inspections for that flightdeck window 1. This AD results from several reports of electrical arcs at the terminal blocks of the electrically heated flightdeck window 1. We are issuing this AD to prevent smoke and fire in the cockpit, which could lead to loss of visibility, and injuries to or incapacitation of the flightcrew.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/07/13/2010-17046/airworthiness-directives-the-boeing-company-model-757-airplanes-model-767-airplanes-and-model)
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