A B757-200 flight crew experienced pressurization difficulties and diverted to an enroute airport.

Attributes
ACN	818469
Time
Date	200901
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.TRACON
State Reference	US
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	Climb
Route In Use	Vectors
Flight Plan	IFR
Component
Aircraft Component	Pressurization System
Person 1
Function	Pilot Not Flying Captain
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

Climbing to cruise altitude of 13;000 ft; cabin warning activated about 10;000 ft after putting on oxygen mask. We worked the problem and contacted ZZZ departure to request a descent to 10;000 ft. After completing all checklists we were very close to ZZZ1 airport which we landed at.

Original NASA ASRS Text

Title: A B757-200 flight crew experienced pressurization difficulties and diverted to an enroute airport.

Narrative: Climbing to cruise altitude of 13;000 FT; cabin warning activated about 10;000 FT after putting on oxygen mask. We worked the problem and contacted ZZZ Departure to request a descent to 10;000 FT. After completing all checklists we were very close to ZZZ1 Airport which we landed at.

Data retrieved from NASA's ASRS site as of April 2012 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.