Narrative:

During climb; the left hydraulic low pressure light illuminated with associated EICAS message. We performed the QRH checklist and discussed the problem with dispatch and maintenance. We decided to return to ZZZ. An emergency was declared with ATC and we landed ZZZ overweight.

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Original NASA ASRS Text

Title: A B767-300 CREW REPORTS DECLARING AN EMERGENCY AND RETURNING TO LAND AFTER A HYDRAULIC PRESSURE LOW EICAS ALERTED A HYDRAULIC SYSTEM FAILURE.

Narrative: DURING CLB; THE L HYD LOW PRESSURE LIGHT ILLUMINATED WITH ASSOCIATED EICAS MESSAGE. WE PERFORMED THE QRH CHKLIST AND DISCUSSED THE PROB WITH DISPATCH AND MAINT. WE DECIDED TO RETURN TO ZZZ. AN EMER WAS DECLARED WITH ATC AND WE LANDED ZZZ OVERWT.

Data retrieved from NASA's ASRS site as of May 2009 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.