1) restrict disconnection with underspeed condition (14%)
2) Fire pushbutton should deactivate, not disconnect IDG. Therefore, it opens the GCR rather than setting input rpm to zero.
3) Generator comes online at 52% N2 (4730 RPM)
4) Wider range of acceptable frequencies per AMM
5) Gen faults latch -- allows for potential restoration upon reset of the generator switch
6) CSD: restrict rpm range between 4500 -- 9120 rpm
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