Narrative:

Altitude capture of autoplt. Cleared to cross tacke intersection at 11000 ft. Autoplt failed to capture at 11000 ft. Autoplt turned off and stopped descent by 10800 ft and climbed back to 11000 ft. No traffic conflict and nothing said by approach control.

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Original NASA ASRS Text

Title: MD80 CREW HAD ALT OVERSHOOT IN D10 CLASS E AIRSPACE.

Narrative: ALT CAPTURE OF AUTOPLT. CLRED TO CROSS TACKE INTXN AT 11000 FT. AUTOPLT FAILED TO CAPTURE AT 11000 FT. AUTOPLT TURNED OFF AND STOPPED DSCNT BY 10800 FT AND CLBED BACK TO 11000 FT. NO TFC CONFLICT AND NOTHING SAID BY APCH CTL.

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.