Narrative:

Altitude deviation. On climb out on worth 5 out of dfw to psp and level at FL170 given FL280. We entered FL280, read back FL280 and even visually read FL280 off of altitude window back to controller. While climbing in VMC, I decided to talk to passenger with first officer flying, about the time I finished, controller ask us to check altitude but also cleared us to FL310. We were climbing out of FL285 to FL290 and altitude window showed FL290.

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Original NASA ASRS Text

Title: ALTDEV.

Narrative: ALTDEV. ON CLB OUT ON WORTH 5 OUT OF DFW TO PSP AND LEVEL AT FL170 GIVEN FL280. WE ENTERED FL280, READ BACK FL280 AND EVEN VISUALLY READ FL280 OFF OF ALT WINDOW BACK TO CTLR. WHILE CLBING IN VMC, I DECIDED TO TALK TO PAX WITH FO FLYING, ABOUT THE TIME I FINISHED, CTLR ASK US TO CHK ALT BUT ALSO CLRED US TO FL310. WE WERE CLBING OUT OF FL285 TO FL290 AND ALT WINDOW SHOWED FL290.

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.