Multiple aircraft experienced diverse avionics failures, including primary flight displays (PFDs), multifunction displays (MFDs), G1000 systems, and weather radar units.
These malfunctions led to significant operational disruptions, such as in-flight shutdowns, erroneous system readings, autopilot disengagement, and necessitated returns to the departure airport.
Resolution varied from simple maintenance tasks to complete component replacement or STC removal, with some issues, like an inaccurate flight time display, having no manufacturer fix.
The aircraft flight time display has rolled backward four times, for a total loss of 220.6 hours. The dealer says Garmin has no fix for it. This is the meter that determines maintenance times.
Part total time: Unknown
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