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X QRH 6-10 NON-QRH
ETOPS Significant System
Messages: MAIN BAT DISCH
Condition: A main battery discharge occurs.
After QRH procedures complete. Contact SOC to update condition. A discharge of main battery indicates that the aircrafts STBY power system could be compromised. The pilot should hash the captains clock for 90 minute limit. APU may still be available.
Do not enter ETOPS-Past EEP may continue with concurrence. If only one normal AC source remaining, Divert.
A discharge of main battery indicates that the aircrafts STBY power system could be compromised. The pilot should hash the captains clock for 90 minute limit. APU may still be available.
Do not enter ETOPS-Past EEP may continue with concurrence. If only one normal AC source remaining, Divert.
MX procedures that could follow.