Narrative:

While climbing out of mco, departure cleared us to initial altitude 7000 ft or 8000 ft. First officer was hand flying aircraft. ATC then gave us a revised routing, first officer then programmed FMC while I was on the radio. Climbed 300 ft through assigned altitude. No conflict.

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Original NASA ASRS Text

Title: MLG FLC HAS RTE CHANGE AND CLBS THROUGH ASSIGNED ALT DURING FMC CHANGE.

Narrative: WHILE CLBING OUT OF MCO, DEP CLRED US TO INITIAL ALT 7000 FT OR 8000 FT. FO WAS HAND FLYING ACFT. ATC THEN GAVE US A REVISED ROUTING, FO THEN PROGRAMMED FMC WHILE I WAS ON THE RADIO. CLBED 300 FT THROUGH ASSIGNED ALT. NO CONFLICT.

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.