Page 25 - MATRIX MANUAL
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QRH 2-14 NON-QRH ETOPS Significant System
The differential pressure for reverse flow cooling is insufficient.
QRH procedure.....information only.
Avionics and electronic equipment and displays, not powered by standby buses, are
subject to imminent failure.
Essential avionics, electrical equipment, and displays powered by the standby buses are reliable for 90 minutes. Continued flight beyond 90 minutes can result in their failure.
Do not enter ETOPS, past EEP may continue with concurrence.
Avionics and electronic equipment and displays, not powered by standby buses, are subject to imminent failure.
Essential avionics, electrical equipment, and displays powered by the standby buses are reliable for 90 minutes. Continued flight beyond 90 minutes can result in their failure.
Do not enter ETOPS, past EEP may continue with concurrence.
MX procedures that could follow.
