AD 2020-18-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | SAS | Airworthiness Directives; Airbus SAS Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Airbus SAS Airplanes |
Unsafe Condition
The lack of protection against current injections of 28 volts DC or 115 volts AC that could lead to thermal runaway and a battery fire in non-rechargeable lithium batteries installed in certain emergency locator transmitters (ELTs).
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modifying a certain ELT by installing a diode between the ELT and the terminal block, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. Operators may use any brightly colored 1-inch tape that meets the criteria specified in the ASNA5107 standard to protect the wiring in the area where the diode is secured to the harness. Operators may request alternative methods of compliance to replace the continuity test specified in Airbus Service Bulletin A350-25-P152 by using the procedures described in paragraph (i)(1) of this AD and demonstrating how this alternative addresses the unsafe condition.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airbus SAS Model A350-941 and -1041 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.