Narrative:

At FL290 cabin altitude warning light came on. Emergency descent started; first officer completed the QRH. Was not able to maintain cabin altitude in auto or manual. Masks dropped in cabin. Descended to 10;000 feet. Declared an emergency; and landed without any more problems. No passengers were harmed.

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Original NASA ASRS Text

Title: MD-83 Captain reported loss of cabin pressure at FL290. Unable to control cabin pressure the flight declared an emergency; descended to 10;000 feet and continued to a safe landing.

Narrative: At FL290 Cabin Altitude Warning Light came on. Emergency descent started; First Officer completed the QRH. Was not able to maintain cabin altitude in auto or manual. Masks dropped in cabin. Descended to 10;000 feet. Declared an emergency; and landed without any more problems. No passengers were harmed.

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.