Narrative:

Failed to set 29.92 standard altimeter setting passing transition altitude (FL180) resulting in leveling off at FL327.5 for approximately 3 mins until notified by ZLC. Even with error, altitude was within tolerance of instruments for maintaining assigned altitude of FL330.

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Original NASA ASRS Text

Title: AN ALT UNDERSHOOT ATTRIBUTED TO INCORRECT SETTING OF THE ALTIMETER.

Narrative: FAILED TO SET 29.92 STANDARD ALTIMETER SETTING PASSING TRANSITION ALT (FL180) RESULTING IN LEVELING OFF AT FL327.5 FOR APPROX 3 MINS UNTIL NOTIFIED BY ZLC. EVEN WITH ERROR, ALT WAS WITHIN TOLERANCE OF INSTS FOR MAINTAINING ASSIGNED ALT OF FL330.

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.