Recommended service bulletins will be used to implement modifications, upgrades and retrofits that remove system degraders, improve operational availability and reduce costs over the life cycle of the aircraft.
A complete listing of L3's Avionics service bulletins can be obtained from the following L3 Technical Publications websites:
TCAS, transponders & taws tech pubs - https://support.acsscustomerservices.com/ACSS/support.aspx
CVR/FDR 90-Day Beacon
- Compliant with FAA TSO-C121b and equivalent EASA ETSO requiring all new CVR/FDR ULBs to comply with the 90-day operation standard, effective March 1 2015
- L3 has designed ULB Conversion Kits for on-wing retrofit accomplished via ULB replacement and recorder nameplate modification marking (MOD DOT)
FANS Compliance: Data Link Communications
- Business jets and commercial airliners require their equipment to be compliant with FANS mandates
- Cockpit Voice Recorder (CVR) must be capable of recording data link communications -> L3 can provide an SB to incorporate CVR Data Link COMM functionality
TCAS Change 7.1
- Mandated by EASA for operation in European airspace, but expanding to other Regions
- Safety enhancements via software upgrade for all TCAS models, specific SBs available for shop or on-wing upgrade
NOR/NAND FA2100 CVR/FDR Upgrade
- Major upgrade replacing the previously available NOR Crash Survivable
- Memory Unit (CSMU) with new NAND CSMU and a variety of other sub-assemblies and hardware, providing a marked improvement in MTBUR and overall performance and reliability
- NAND-equipped recorders are upgraded at L3 and meet higher performance standards, requiring a factory TSO re-certification ; extended 12-month warranty is offered
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