Narrative:

Lhr-ewr on departure twice leveled off too early. Believe due to WX deviation, numerous intermediate leveloffs and lhr altitude 992 millibars.

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Original NASA ASRS Text

Title: AN ACR FLC FLYING AN A300 NEAR EGLL RPTS BECOMING DISTR BECAUSE OF WX AND OTHER FACTORS RESULTING IN AN ALT UNDERSHOOT.

Narrative: LHR-EWR ON DEP TWICE LEVELED OFF TOO EARLY. BELIEVE DUE TO WX DEV, NUMEROUS INTERMEDIATE LEVELOFFS AND LHR ALT 992 MILLIBARS.

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.