Narrative:

Our flight was given a descent from 10000 ft to 9000 ft on a 260 degree heading. At 8700 ft the descent was noted and immediately returned to 9000 ft. No deviations were reported from the controller, either airborne or by telephone.

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Original NASA ASRS Text

Title: CAPT OF A B727 OVERSHOT ASSIGNED ALT ON DSCNT AND RETURNED TO ASSIGNED UPON OBSERVING THE MISTAKE. APCH CTLR DID NOT CALL THE CREW'S ATTN TO THE OVERSIGHT NOR INDICATE A PROB IN SUBSEQUENT TELEPHONE CALL AFTER LNDG.

Narrative: OUR FLT WAS GIVEN A DSCNT FROM 10000 FT TO 9000 FT ON A 260 DEG HDG. AT 8700 FT THE DSCNT WAS NOTED AND IMMEDIATELY RETURNED TO 9000 FT. NO DEVS WERE RPTED FROM THE CTLR, EITHER AIRBORNE OR BY TELEPHONE.

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.