# Airworthiness Directives; Airbus SAS Airplanes
> **Rule** · Final rule. · Published 2020-12-23 · Effective 2021-01-27 · 85 FR 83751
## Document
- **Document number:** 2020-28269
- **Category:** airworthiness
- **Manufacturer:** Airbus SAS
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 85 FR 83751
- **Publication date:** 2020-12-23
- **Effective date:** 2021-01-27
- **FAA docket:** Docket No. FAA-2020-0841
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain Airbus SAS Model A300 F4-605R airplanes and Model A310-324 airplanes. This AD was prompted by a report that certain emergency locator transmitter (ELT) lithium batteries lack protection against current injection. This AD requires modification of the airplane circuit connecting the ELT battery, 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.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/12/23/2020-28269/airworthiness-directives-airbus-sas-airplanes)
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