Narrative:

The airplane was unable to slow from 280 to 270 and descend at the same time to cross wooky at FL260 and 270 KTS. It's not an airplane issue; it is a physics issue with the crappy TSHNR1 RNAV STAR.

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Original NASA ASRS Text

Title: An A320 flight crew was unable to comply with the crossing restriction at WOOKY on the TSHNR RNAV STAR to DEN.

Narrative: The airplane was unable to slow from 280 to 270 and descend at the same time to cross WOOKY at FL260 and 270 KTS. It's not an airplane issue; it is a physics issue with the crappy TSHNR1 RNAV STAR.

Data retrieved from NASA's ASRS site as of July 2013 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.