Narrative:

Descending into iah on the mscot arrival we were given three runway assignments; the last being runway 27. When we entered runway 27 into the FMC; the altitude dropped out at bysun intersection. We caught the omission; but crossed the fix approx 400 ft high.

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Original NASA ASRS Text

Title: B757 flight crew reported crossing BYSUN high after runway assignment was changed three times on arrival to IAH.

Narrative: Descending into IAH on the MSCOT arrival we were given three runway assignments; the last being RWY 27. When we entered RWY 27 into the FMC; the altitude dropped out at BYSUN intersection. We caught the omission; but crossed the fix approx 400 FT high.

Data retrieved from NASA's ASRS site 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.