AD 2005-04-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Dassault | Falcon 2000EX and 900EX | Airworthiness Directives; Dassault Model Falcon 2000EX and 900EX Series Airplanes |
| engine | Honeywell | Primus Epic system | Airworthiness Directives; Dassault Model Falcon 2000EX and 900EX Series Airplanes |
Unsafe Condition
Failure of the network interface controller (NIC) for the avionics standard communication bus (ASCB) could cause a loss of ASCB synchronization, resulting in invalid data on all four cockpit display units and loss of critical systems including radio communications, primary navigation instruments, autopilot, auto-throttle, central alerting system, aural alarms, and normal braking (on Model Falcon 2000EX series airplanes only).
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Prohibit dispatch with certain equipment inoperative; revise the airplane flight manual to facilitate recovery of cockpit display units and inform flightcrew of inoperative equipment during an ASCB failure; perform an integrity check of the ASCB for faults and take corrective action if necessary; install an avionics software update to the Honeywell Primus Epic system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 72 hours after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Dassault Model Falcon 2000EX and 900EX series 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.