B757 crew had cabin altitude above 10000 ft.

Attributes
ACN	481936
Time
Date	200008
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : zmp.artcc
State Reference	MN
Altitude	msl single value : 37000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zmp.artcc
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : multi engine
ASRS Report	481936
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	481790
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : eicas other flight crewa other flight crewb
Resolutory Action	flight crew : declared emergency other
Consequence	other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Cabin altitude warning. On takeoff roll, got left engine high stage light EICAS message. Complied with checklist procedure. 2 hours 30 mins later, got cabin altitude warning while at level cruise flight. We descended immediately to a lower altitude to bring cabin altitude to below 10000 ft.

Original NASA ASRS Text

Title: B757 CREW HAD CABIN ALT ABOVE 10000 FT.

Narrative: CABIN ALT WARNING. ON TKOF ROLL, GOT L ENG HIGH STAGE LIGHT EICAS MESSAGE. COMPLIED WITH CHKLIST PROC. 2 HRS 30 MINS LATER, GOT CABIN ALT WARNING WHILE AT LEVEL CRUISE FLT. WE DSNDED IMMEDIATELY TO A LOWER ALT TO BRING CABIN ALT TO BELOW 10000 FT.

Data retrieved from NASA's ASRS site as of July 2007 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.