Narrative:

Shortly after takeoff pack right EICAS message appeared on upper screen. Pack right procedure accomplished with no reinstatement of right pack. Review of air synoptic page showed right engine bleed valve; pack valve; and right isolation valve all closed. Engine bld loss right EICAS message also noted at this time. Established communication with dispatch and maintenance. Because of loss of wing anit-ice as a result of the above proceedure the decision to return was concurred with by all parties. Emeregency was declared with ATC on hand off. Coordinated with ATC for fuel jettison. 43;000 lbs of fuel was jettisoned at FL300; for approximately 14 mins. Recovered with uneventful landing below max landing weight.

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Original NASA ASRS Text

Title: B777 Captain reports loss of the right pack shortly after takeoff. Pack reinstatement is attempted before noting that the right engine bleed valve and right isolation valve are also closed. Fuel is dumped and the flight returns to the departure airport.

Narrative: Shortly after takeoff PACK R EICAS message appeared on upper screen. Pack R procedure accomplished with no reinstatement of right pack. review of Air synoptic page showed right engine bleed valve; pack valve; and right isolation valve all closed. ENG BLD LOSS R EICAS message also noted at this time. Established communication with Dispatch and Maintenance. Because of loss of wing anit-ice as a result of the above proceedure the decision to return was concurred with by all parties. Emeregency was declared with ATC on hand off. Coordinated with ATC for fuel jettison. 43;000 lbs of fuel was jettisoned at FL300; for approximately 14 mins. Recovered with uneventful landing below max landing weight.

Data retrieved from NASA's ASRS site as of July 2013 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.