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Old 16th Dec 2022, 07:57
  #67 (permalink)  
GBO
 
Join Date: Mar 2008
Location: Australia
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BuzzBox

If we use the oxygen bottle rupture on QF30 as a guide to the immediate blast area damage, then the L GCU and L BTB are not in the direct “blast” area.

The Left Main AC Bus (ie power to SATCOM) may have been isolated automatically because of a fault caused by the oxygen bottle rupture, or the crew, who were overwhelmed by failures, have conducted the ELEC AC BUS L checklist or depowered/repowered the Left Main AC Bus in an attempt to restore lost systems.
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