Tue, Nov 27, 2018
Some Units Have Been Resetting Themselves In Flight
The FAA has recently been notified that there have been numerous reports of Aspen EFD1000 PFD, EFD1000 MFD, EFD1000 EBD, and EFD500 MFD units with software version 2.9 and the ADS-B IN (FIS-B) Weather Interface option repeatedly resetting itself in-flight. The reset occurs between five- to ten-minute intervals.
During the time of the reset, the pilot might not have any EFD displayed information including access to altitude and airspeed for up to one minute. The cause of this safety issue is currently under investigation; however, preliminary information suggests that the cause of the continuous reset is related to the ADS-B IN interface. Pulling the ADS-B circuit breaker as described in section 3.2.6 of the Flight Manual supplement, has been demonstrated to resolve the issue.
The FAA has issued an SAIB concerning Aspen Avionics, Inc. (Aspen), Evolution EFD1000 Primary Flight Display (PFD), an EFD1000 Multi-Function Display (MFD), and/or an EFD500 MFD unit as installed by Supplementary Type Certificate (STC) No. SA10822SC.
The FAA recommends that owners and operators flying with Aspen EFD1000 and/or EFD500 units with software version 2.9 and the ADS-B IN (FIS-B) Weather Interface option installed restrict flight to Visual Flight Rules only and suspend night operations to allow safe operation in the event of loss of flight display functionality.
Alternatively, the FAA recommends disabling the ADS-B IN (FIS-B) option. The FAA requests that owners and operators of any ADS-B IN (FIS-B) enabled aircraft and the owners and operators of Aspen EFD flight display notify the FAA contact listed below of any similar events.
Owners and operators should be advised that service information from Aspen is forthcoming.
(Source: FAA. Image from file)
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