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Four brand new PFDs in under a 100 hours??? How is this possible? I thought the whole point of the glass panel is its reliability. If the panels were truly going kaput that frequently, that’s insane. No way was that plane airworthy for IMC conditions.
Regarding the preliminary NTSB information on the recent Florida accident, the PFD (which, of course, has not been implicated in the accident to this point) may have just been replaced due to small problems. Not that this is an excuse for the reliability level that a PFD should attain, but the NTSB information by itself doesn’t automatically mean that the PFD isn’t reliable.
That said, it is certainly in everybodyÂ’s interest to get to the bottom of the issue if there is a larger reliability problem.