Narrative:

First officer flying and cleared to FL290. During climb in performance mode, we were cleared omega direct tqa. First officer changed autoplt from #2 to #1. Subsequently got an altitude warning and stopped climb at FL294. Descended to FL290. Note: pitch display on FMA showed performance cruise throughout deviation.

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Original NASA ASRS Text

Title: FLC RELYING ON PERFORMANCE MGMNT COMPUTER OVERSHOT ASSIGNED ALT FL290 TO FL294.

Narrative: FO FLYING AND CLRED TO FL290. DURING CLB IN PERFORMANCE MODE, WE WERE CLRED OMEGA DIRECT TQA. FO CHANGED AUTOPLT FROM #2 TO #1. SUBSEQUENTLY GOT AN ALT WARNING AND STOPPED CLB AT FL294. DSNDED TO FL290. NOTE: PITCH DISPLAY ON FMA SHOWED PERFORMANCE CRUISE THROUGHOUT DEV.

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.