Narrative:

Climbing to cruise altitude right bleed EICAS message followed by a left bleed EICAS message. Resulting in loss of both packs. Resulting is cabin altitude warning message. We began descent to 10;000 while performing QRH procedures.

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Original NASA ASRS Text

Title: B757 First Officer reported losing cabin pressure when both pneumatic bleeds failed at FL350.

Narrative: Climbing to cruise altitude Right Bleed EICAS Message followed by a Left Bleed EICAS message. Resulting in loss of both PACKS. Resulting is CABIN ALT warning message. We began descent to 10;000 while performing QRH procedures.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.