Narrative:

En route L35 to hhr. Checked in with ont approach on 127.25. Transition from VFR to IFR clearance. Cleared to level at 6000 ft MSL. Overshot leveloff to 5700 ft and immediately corrected. No conflict. No comment by ATC.

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Original NASA ASRS Text

Title: BONANZA OVERSHOOTS ASSIGNED ALT NEAR ONT.

Narrative: ENRTE L35 TO HHR. CHKED IN WITH ONT APCH ON 127.25. TRANSITION FROM VFR TO IFR CLRNC. CLRED TO LEVEL AT 6000 FT MSL. OVERSHOT LEVELOFF TO 5700 FT AND IMMEDIATELY CORRECTED. NO CONFLICT. NO COMMENT BY ATC.

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.