Page 24 - MATRIX MANUAL HTML

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QRH 2-13 NON-QRH ETOPS Significant System
The high pressure shutoff valve failed to close.
After QRH procedures complete..Contact SOC to update condition. Result of procedure leaves the Pressurization normal but with a single source available. Non-normal pressurization results in a Significant System compromised
(Pressurization-ETOPS significant GROUP ). Pilot can expect to Divert or Return to Field. Consider over weight landing possibility. If prior to EET do not enter ETOPS. If past EEP may continue with concurrence taking into account remaining time to destination and probability of inflight icing.
Pilot can expect to Divert or Return to Field. Consider over weight landing possibility. If prior to EET do not enter ETOPS. If past EEP may continue with concurrence taking into account remaining time to destination and probability of inflight icing.
MX procedures that could follow.