Narrative:

Cleared to cross vibes intersection at 13000 ft. Forgot to put FL180 in cruise page from previous descent and re-enter VNAV, resulting in late descent and crossing vibes at 14000 ft. Both crew members were discussing expected approach when event occurred.

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Original NASA ASRS Text

Title: FLC OF A B757 UNDERSHOT ARR DSCNT FIX DUE TO FORGETTING TO REPROGRAM THE FMC FOR THE NEXT FIX AND CREW DISCUSSING EXPECTED APCH.

Narrative: CLRED TO CROSS VIBES INTXN AT 13000 FT. FORGOT TO PUT FL180 IN CRUISE PAGE FROM PREVIOUS DSCNT AND RE-ENTER VNAV, RESULTING IN LATE DSCNT AND XING VIBES AT 14000 FT. BOTH CREW MEMBERS WERE DISCUSSING EXPECTED APCH WHEN EVENT OCCURRED.

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.